UCM, Gravitation, and Satellite Motion Test

1

Captain Kirk has a mass of 65 kg on the earth. What is Captain Kirk’s mass on the moon where the force of gravity is approximately 1/6-th that of Earth's? (Mass of Earth= 5.97E24 Kg, Radius of Earth= 6371 Km)

48 Kg

96 Kg

65 Kg

30 Kg

1

Captain Kirk has a mass of 65 kg on the earth. What is Captain Kirk’s weight on the moon where the force of gravity is approximately 1/6-th that of Earth's? (Mass of Earth= 5.97E24 Kg, Radius of Earth= 6371 Km)

768.2 N

637.7 N

203.6 N

106.3 N

1

A spacecraft orbits the earth at an orbital radius of 1500km above the surface. What would be the new force of gravity between the earth and the spacecraft be if the orbital radius was reduced to ¼ its original distance?

1/2Fg

16Fg

4Fg

1/16Fg

1

A spacecraft orbits the Earth at a distance of 1500km above the surface. If the same spacecraft later orbited Jupiter, what would be the new force of gravity between Jupiter and the spacecraft be if the mass of Jupiter is 400 times the mass of Earth?

1/400Fg

1/200Fg

200Fg

400Fg

1

A formula one car is going around a curved turn on a flat race track. Which of the following is the net force acting on the car?

Force of Gravity

Centripetal Force

Tension force

Normal force

1

A student is twirling a ball at the end of a rope in a horizontal circle over their head. If they wanted to alter the centripetal acceleration, which of the following would be the most effective to change?

Mass of the Ball

Tangential Velocity

Material of the Rope

Length of the Rope

1

If an object is moving with uniform circular motion which of the following is constant about its motion? (choose all that apply)

Magnitude of Centripetal acceleration

Tangential Velocity

Angular Position

Tangential Speed

1

A roller skater takes a turn around a roller skating rink. What would the centripetal force become if the roller skater takes that same turn with six times the tangential speed?

1/36Fc

1/6Fc

6Fc

36Fc

1

How would the orbital velocities compare between two spacecraft when one is 5 times the mass of the other?

The smaller one will have 25 times the velocity

Their velocities would be the same

The larger one will have 25 times the velocity

1

How would the accelerations due to gravity on a spacecraft compare between when it was orbiting Earth and when it was orbiting a planet with 20 times the mass of Earth?

The larger planet will have 20 times the acceleration

Their accelerations would be the same

The smaller planet will have 20 times the acceleration

3

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Draw the Free Body Diagram for the situation.

1

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.
Which is the Fnet equation in the y-direction?

1

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which equation shows the relationship between Fn and Fg for this situation?

1

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which is the Fnet equation for the x-direction?

1

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which is the equation to find the coefficient of friction between the car and the pavement?

1

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Find the coefficient of friction between the car and the pavement. (nearest hundreth)

2

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
a. What is the Tension in the string at the lowest point in the circle?

Draw the Free Body Diagram for the situation.

1

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
a. What is the Tension in the string at the lowest point in the circle?

Which is the Fnet equation for the y-direction?

1

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
a. What is the Tension in the string at the lowest point in the circle?

Which is the equation to find the Tension in the string at the lowest point in the circle?

2

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
a. What is the Tension in the string at the lowest point in the circle?

Find the Tension in the string at the lowest point in the circle. (nearest hundreth)

2

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
b. What is the minimum speed Mr. Dewey can whirl the bucket to prevent the string from going limp at the top of the circle?

Draw the Free Body Diagram for the situation.

1

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
b. What is the minimum speed Mr. Dewey can whirl the bucket to prevent the string from going limp at the top of the circle?

Which is the Fnet equation for the y-direction?

1

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
b. What is the minimum speed Mr. Dewey can whirl the bucket to prevent the string from going limp at the top of the circle?

Which is the equation to find the minimum speed Mr. Dewey can whirl the bucket to prevent the string from going limp at the top of the circle?

2

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
b. What is the minimum speed Mr. Dewey can whirl the bucket to prevent the string from going limp at the top of the circle?

Find the minimum speed Mr. Dewey can whirl the bucket to prevent the string from going limp at the top of the circle. (nearest hundreth)

1

Mr. Kehr took his best behaved class on a trip to Mars. While still on the spacecraft his class was orbiting Mars at an altitude of 100 km. The mass of Mars is 6.39 x 10^23 kg and its radius is 3.396 x 10^6 m.
What is the orbital velocity of the spacecraft?

Draw the Free Body Diagram for the situation.

1

Mr. Kehr took his best behaved class on a trip to Mars. While still on the spacecraft his class was orbiting Mars at an altitude of 100 km. The mass of Mars is 6.39 x 10^23 kg and its radius is 3.396 x 10^6 m.
What is the orbital velocity of the spacecraft?

Which is the Fnet equation for the y-direction?

1

Mr. Kehr took his best behaved class on a trip to Mars. While still on the spacecraft his class was orbiting Mars at an altitude of 100 km. The mass of Mars is 6.39 x 10^23 kg and its radius is 3.396 x 10^6 m.
What is the orbital velocity of the spacecraft?

Which is the equation for finding the orbital velocity of the spacecraft?

3

Mr. Kehr took his best behaved class on a trip to Mars. While still on the spacecraft his class was orbiting Mars at an altitude of 100 km. The mass of Mars is 6.39 x 10^23 kg and its radius is 3.396 x 10^6 m.
What is the orbital velocity of the spacecraft?

Find the orbital velocity of the spacecraft. (nearest hundreth)

1

Mr. Kehr took his best behaved class on a trip to Mars. While still on the spacecraft his class was orbiting Mars at an altitude of 100 km. The mass of Mars is 6.39 x 10^23 kg and its radius is 3.396 x 10^6 m.
What is the acceleration due to gravity Mr. Kehr’s class would experience on the spacecraft in orbit around Mars?

Draw the Free Body Diagram for the situation.

1

Mr. Kehr took his best behaved class on a trip to Mars. While still on the spacecraft his class was orbiting Mars at an altitude of 100 km. The mass of Mars is 6.39 x 10^23 kg and its radius is 3.396 x 10^6 m.
What is the acceleration due to gravity Mr. Kehr’s class would experience on the spacecraft in orbit around Mars?

Which is the Fnet equation for the y-direction?

1

Mr. Kehr took his best behaved class on a trip to Mars. While still on the spacecraft his class was orbiting Mars at an altitude of 100 km. The mass of Mars is 6.39 x 10^23 kg and its radius is 3.396 x 10^6 m.
What is the acceleration due to gravity Mr. Kehr’s class would experience on the spacecraft in orbit around Mars?

Which is the equation for finding the acceleration due to gravity Mr. Kehr’s class would experience on the spacecraft in orbit around Mars?

3

Mr. Kehr took his best behaved class on a trip to Mars. While still on the spacecraft his class was orbiting Mars at an altitude of 100 km. The mass of Mars is 6.39 x 10^23 kg and its radius is 3.396 x 10^6 m.
What is the acceleration due to gravity Mr. Kehr’s class would experience on the spacecraft in orbit around Mars?

Find the acceleration due to gravity Mr. Kehr's class would experience on the spacecraft in orbit around Mars. (Nearest hundreth)

UCM, Gravitation, and Satellite Motion Test

Captain Kirk has a mass of 65 kg on the earth. What is Captain Kirk’s mass on the moon where the force of gravity is approximately 1/6-th that of Earth's? (Mass of Earth= 5.97E24 Kg, Radius of Earth= 6371 Km)

Captain Kirk has a mass of 65 kg on the earth. What is Captain Kirk’s weight on the moon where the force of gravity is approximately 1/6-th that of Earth's? (Mass of Earth= 5.97E24 Kg, Radius of Earth= 6371 Km)

A spacecraft orbits the earth at an orbital radius of 1500km above the surface. What would be the new force of gravity between the earth and the spacecraft be if the orbital radius was reduced to ¼ its original distance?

A spacecraft orbits the Earth at a distance of 1500km above the surface. If the same spacecraft later orbited Jupiter, what would be the new force of gravity between Jupiter and the spacecraft be if the mass of Jupiter is 400 times the mass of Earth?

A formula one car is going around a curved turn on a flat race track. Which of the following is the net force acting on the car?

A student is twirling a ball at the end of a rope in a horizontal circle over their head. If they wanted to alter the centripetal acceleration, which of the following would be the most effective to change?

If an object is moving with uniform circular motion which of the following is constant about its motion? (choose all that apply)

A roller skater takes a turn around a roller skating rink. What would the centripetal force become if the roller skater takes that same turn with six times the tangential speed?

How would the orbital velocities compare between two spacecraft when one is 5 times the mass of the other?

How would the accelerations due to gravity on a spacecraft compare between when it was orbiting Earth and when it was orbiting a planet with 20 times the mass of Earth?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Draw the Free Body Diagram for the situation.

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Which is the Fnet equation in the y-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Which equation shows the relationship between Fn and Fg for this situation?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Which is the Fnet equation for the x-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Which is the equation to find the coefficient of friction between the car and the pavement?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Find the coefficient of friction between the car and the pavement. (nearest hundreth)

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.a. What is the Tension in the string at the lowest point in the circle?Draw the Free Body Diagram for the situation.

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.a. What is the Tension in the string at the lowest point in the circle?Which is the Fnet equation for the y-direction?

Captain Kirk has a mass of 65 kg on the earth. What is Captain Kirk’s mass on the moon where the force of gravity is approximately 1/6-th that of Earth's? (Mass of Earth= 5.97E24 Kg, Radius of Earth= 6371 Km)

Captain Kirk has a mass of 65 kg on the earth. What is Captain Kirk’s weight on the moon where the force of gravity is approximately 1/6-th that of Earth's? (Mass of Earth= 5.97E24 Kg, Radius of Earth= 6371 Km)

A spacecraft orbits the earth at an orbital radius of 1500km above the surface. What would be the new force of gravity between the earth and the spacecraft be if the orbital radius was reduced to ¼ its original distance?

A spacecraft orbits the Earth at a distance of 1500km above the surface. If the same spacecraft later orbited Jupiter, what would be the new force of gravity between Jupiter and the spacecraft be if the mass of Jupiter is 400 times the mass of Earth?

A formula one car is going around a curved turn on a flat race track. Which of the following is the net force acting on the car?

A student is twirling a ball at the end of a rope in a horizontal circle over their head. If they wanted to alter the centripetal acceleration, which of the following would be the most effective to change?

If an object is moving with uniform circular motion which of the following is constant about its motion? (choose all that apply)

A roller skater takes a turn around a roller skating rink. What would the centripetal force become if the roller skater takes that same turn with six times the tangential speed?

How would the orbital velocities compare between two spacecraft when one is 5 times the mass of the other?

How would the accelerations due to gravity on a spacecraft compare between when it was orbiting Earth and when it was orbiting a planet with 20 times the mass of Earth?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Draw the Free Body Diagram for the situation.

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Which is the Fnet equation in the y-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Which equation shows the relationship between Fn and Fg for this situation?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Which is the Fnet equation for the x-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Which is the equation to find the coefficient of friction between the car and the pavement?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.Find the coefficient of friction between the car and the pavement. (nearest hundreth)

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.a. What is the Tension in the string at the lowest point in the circle?Draw the Free Body Diagram for the situation.

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.a. What is the Tension in the string at the lowest point in the circle?Which is the Fnet equation for the y-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Draw the Free Body Diagram for the situation.

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.
Which is the Fnet equation in the y-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which equation shows the relationship between Fn and Fg for this situation?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which is the Fnet equation for the x-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which is the equation to find the coefficient of friction between the car and the pavement?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Find the coefficient of friction between the car and the pavement. (nearest hundreth)

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
a. What is the Tension in the string at the lowest point in the circle?

Draw the Free Body Diagram for the situation.

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
a. What is the Tension in the string at the lowest point in the circle?

Which is the Fnet equation for the y-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Draw the Free Body Diagram for the situation.

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.
Which is the Fnet equation in the y-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which equation shows the relationship between Fn and Fg for this situation?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which is the Fnet equation for the x-direction?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Which is the equation to find the coefficient of friction between the car and the pavement?

A 3000 kg car is driving around a flat curve of radius 20.0 m. The car is traveling at 45 m/s.

Find the coefficient of friction between the car and the pavement. (nearest hundreth)

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
a. What is the Tension in the string at the lowest point in the circle?

Draw the Free Body Diagram for the situation.

Mr. Dewey whirls a bucket of mass 12.8 kg in a vertical circle on the end of a string 1.6 m long. At the lowest point of the circle, the velocity of the stone bucket is 24 m/s.
a. What is the Tension in the string at the lowest point in the circle?

Which is the Fnet equation for the y-direction?