Physics Final Fall 2023 - Distance Force Assessment
star
star
star
star
star
Last updated almost 2 years ago
40 questions
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
1
Question 11
11.
Question 12
12.
Question 13
13.
Question 14
14.
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
Question 21
21.
Question 22
22.
Question 23
23.
Question 24
24.
Question 25
25.
Question 26
26.
Question 27
27.
Question 28
28.
Question 29
29.
Question 30
30.
Question 31
31.
Question 32
32.
Question 33
33.
Question 34
34.
Question 35
35.
Question 36
36.
Question 37
37.
Question 38
38.
1
1
As the distance between two point charges is tripled, the electrostatic force between the charges
decreases to one-third the original force
increases by a factor of nine
decreases to one-ninth the original force
increases by a factor of three
What is the relationship between I1 and I2?
4I1 = I2
I1 = 2I2
2I1 = I2
I1 = 4I2
The diagram represents two charges q1 and q2, separated by distance d. Which change would produce the greatest increase in the electrical force between the two charges?
doubling d and charge q1 only
doubling d only
doubling charge q1 only
doubling d and charges q1 and q2
A simple circuit has a current of 3.0 A and a resistance of 5.0 ohm . What is the voltage supplied by the battery of this circuit?
0.60 V
15.0 V
1.7 V
8.0 V
Two metal spheres, A and B, possess charges of 1.0 microcoulomb and 2.0 microcoulombs, respectively. In the diagram below, arrow F represents the electrostatic force exerted on sphere B by sphere A.
Which arrow represents the magnitude and direction of the electrostatic force exerted on sphere A by sphere B?
The force of gravity on the surface of the moon is about one-sixth the force of gravity on the surface of Earth. Which describes the relationship of mass and weight of an object on the moon compared to that on Earth?
Mass is the same, but weight is less on the moon.
Both mass and weight are less on the moon.
Both mass and weight are greater on the moon.
Weight is the same, but mass is less on the moon.
At a certain distance from the center of Earth, a satellite experiences a gravitational force, F. If the mass of the satellite was doubled and placed into the same orbit, what gravitational force would the satellite have acting on it?
2F
4F
F/2
F/4
Two spheres, 1.00 kg each, whose centers are 2.00 m apart, would have what gravitational force between them?
1.43 x 10-7 N
2.59 x 10-13 N
3.14 x 10-17 N
1.67 x 10-11 N
Which diagram shows a planet with the least eccentric orbit?
Question 10
10.
The table below shows gravitational data for a planet traveling in an elliptical orbit around a star. The table shows the relative gravitational force between the star and this planet at eight positions in the orbit (letters A through H). Higher numbers indicate stronger gravitational attraction.
Which diagram best represents the positions of the planet in its orbit that would produce the gravitational forces shown in the data table?
Which statement describes the motion of Earth around the sun?
Speed increases the farther Earth is from the sun and decreases the closer it is to the sun.
Speed increases the closer Earth is to the sun and decreases the farther it is from the sun.
The speed of Earth is constant because the distance remains the same between Earth and the sun.
The speed of Earth is constant regardless of its distance from the sun.
The data table shown gives the mean radius of orbit R and the period T of some planets orbiting the Sun. Which ratio is constant for these planets?
R3/T2
R2/T2
R/T
R2/T
Which of the following quantities does Coulomb's law describe?
Acceleration
Magnetic field
Gravitational force
Electrostatic force
If the distance between two charges is halved, how does the electrostatic force change?
Decreases by a factor of two
Remains the same
Increases by a factor of four
Increases by a factor of two
Which variable is directly proportional to the current in a circuit?
Resistance
Temperature
Power
Voltage
What is the unit of electrical resistance?
Volt
Ohm
Ampere
Watt
What happens to the current in a circuit if the voltage is doubled?
Current doubles
Current increases four times
Current remains the same
Current halves
According to Kepler's second law, a planet moves faster when it is
closer to the sun
farther from the sun
at its perihelion
at its aphelion
According to Kepler's first law, the shape of a planet's orbit is
an ellipse
a parabola
a circle
a straight line
Which factor affects the gravitational force between two objects?
Force and energy
Height and time
Acceleration and velocity
Mass and distance
What happens to gravitational force when the distance between two objects increases?
Remains constant
Decreases
Becomes zero
Increases
Which of these best defines a satellite orbit?
A continuous free-fall around a celestial body.
A straight line trajectory away from a celestial body.
A circular path around a celestial body.
A static position in space around a celestial body.
What determines the period of a satellite's orbit?
The atmospheric conditions surrounding the satellite.
The shape of the satellite's orbit.
The satellite's altitude and the celestial body's mass.
The satellite's velocity and direction of motion.
What happens to the speed of a satellite as it orbits closer to a celestial body?
The speed increases.
The speed remains constant.
The speed decreases.
The speed becomes zero.
Why is the International Space Station (ISS) able to stay in orbit around the Earth?
Due to the magnetic field of the Earth.
Due to the repulsion from Earth's surface.
Due to the thrust generated by its engines.
Due to the balance between gravity and centrifugal force.
A wire carries a current of 3 A. What is the charge passing through the wire in 5 seconds?
10 C
8 C
12 C
15 C
A resistor has a resistance of 10 Ω and a current of 2 A. What is the voltage across the resistor?
15 V
20 V
5 V
10 V
A circuit has a potential difference of 12 V and a resistance of 3 Ω. What is the current in the circuit?
6 A
8 A
4 A
2 A
Two charges are placed 2 meters apart. The electrical force between them is 9 N. If one charge is 3 C, what is the magnitude of the other charge?
18 C
3 C
6 C
9 C
Two point charges, 4 μC and -2 μC, are separated by a distance of 2 meters. What is the magnitude of the electrical force between them?
9 N
36 N
18 N
72 N
The weight of an object on Earth is 120 N. What will be its weight on a different planet with twice the mass of Earth and the same radius?
240 N
480 N
60 N
1200 N
Two objects attract each other with a gravitational force. If the mass of one object is doubled and the distance between them is halved, how will the force change?
Increase by a factor of 8
Remain the same
Increase by a factor of 2
Decrease by a factor of 2
Which factor does not affect the orbital period of a moon?
Mass of the moon
Radius of the moon
Mass of the planet
Gravitational constant
What is the relationship between the velocity and radius of the moon's orbit?
No relationship
Indirect
Inverse
Direct
Which factor affects the period of the moon's orbit?
Mass of the moon
Speed of the moon
Distance from the planet
Force of gravity
What happens to the gravitational force between the moon and the planet if the distance between them is doubled?
Increases by a factor of 4
Increases by a factor of 2
Decreases by a factor of 4
Decreases by a factor of 2
If the mass of the planet is doubled while the distance from the moon to the planet remains the same, what happens to the gravitational force on the moon?
Doubles
Halves
Remains the same
Quadruples
Question 39
39.
Question 40
40.
The accompanying chart gives the mass and orbital period (time it takes to go around the Earth) of each of four satellites, A, B, C, and D, orbiting Earth in circular paths. Which satellite is closest to the Earth?
A
B
C
D
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.70 × 104 m/s, and the radius of the orbit is 5.25 × 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has a radius of 8.60 × 106 m. What is the speed of the second satellite?
1.33 x 104 m/s
1.04 x 104 m/s
6.34 x 103 m/s
1.25 x 103 m/s
A satellite is placed in orbit 7.00 × 106 m above the surface of Jupiter. Jupiter has a mass of 1.90 × 1027 kg and a radius of 7.14 × 107 m. Find the orbital speed of the satellite.
