Horizontal force F = 10 N pulling on mass. Mass NOT moving. (round to nearest hundredth)
Draw the labeled Free Body Diagram for this situation.
Question 17
17.
Question 18
18.
Horizontal force F = 10 N pulling on mass. Mass NOT moving. (round to nearest hundredth)
Find the gravitational force (weight) acting on the mass?
Question 19
19.
Question 20
20.
Horizontal force F = 10 N pulling on mass. Mass NOT moving. (round to nearest hundredth)
Find the Normal Force acting on the mass?
Question 21
21.
Question 22
22.
The force F is increased to 350 N, and the box begins to move. The frictional force acting on it is now 10 N. (round to nearest hundredth)
Find the Net Force acting on the box?
Question 23
23.
Question 24
24.
The force F is increased to 340 N, and the box begins to move. The frictional force acting on it is now 10 N. (round to nearest hundredth)
Find the acceleration acting on the box?
Question 25
25.
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Draw the Freebody Diagram for the plane.
Question 26
26.
Question 27
27.
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Find the net acceleration? (nearest thousandth)
Question 28
28.
Question 29
29.
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Find the net force on the plane? (nearest hundreth)
Question 30
30.
Question 31
31.
Question 32
32.
Question 33
33.
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Find the net force on the plane? (nearest hundreth)
Question 34
34.
A 400 N sign is hanging from two cables. Each cable makes a 15° angle with the horizontal. Find the tension in the cables.
Draw the Freebody Diagram for the sign.
Question 35
35.
Question 36
36.
Question 37
37.
Question 38
38.
Question 39
39.
Question 40
40.
A 400 N sign is hanging from two cables. Each cable makes a 15° angle with the horizontal. Find the tension in the cables.
Find each tension for the sign? (nearest hundreth)
An apple weighs 1 N. When the apple is at rest on a horizontal surface, what is the net force on the apple?
Not enough information given
2 N
O N
1 N
An unfortunate bug splatters against the windshield of a moving car. How does the force of the bug on the car compare to the force of the car on the bug?
The force of the bug on the car is greater.
The forces are the same.
Not enough information.
The force of the car on the bug is greater.
An unfortunate bug splatters against the windshield of a moving car. How does the force of the bug on the car compare to the force of the car on the bug?
The force of the bug on the car is greater.
Not enough information.
The force of the car on the bug is greater.
The forces are the same.
An apple weighs 1 N. When the apple is at rest on a horizontal surface, what is the evdence for what the net force on the apple would be?
The apple is in motion with constant speed.
Not enough information given
The apple is accelerating in the positive direction.
The apple is at rest.
An apple weighs 1 N. When the apple is at rest on a horizontal surface, what is the reasoning for the evdence for what the net force on the apple would be?
The 2nd Law of Motion states that an object at rest remains so due to no net force acting on it.
The 1st Law of Motion states that an object at rest remains so due to no net force acting on it.
Not enough information given
The 1st Law of Motion states that an object at rest remains so due to a net force acting on it.
A 50-N net force is exerted on a 1400-kg elephant and 0.1-kg mouse. Which experiences the bigger acceleration?
The elephant
Not enough information given
They both experience the same acceleration
The mouse
What net force is required to accelerate a 2-kg object to an acceleration of 6.0 m/s^2?
3 N
12 N
36 N
0 N
0.33 N
Compared to its mass on earth, the mass of a 10-kg object on the moon is
More
Less
The same
An unfortunate bug splatters against the windshield of a moving car. How does the force of the bug on the car compare to the force of the car on the bug?
Not enough information.
The force of the car on the bug is greater.
The forces are the same.
The force of the bug on the car is greater.
An unfortunate bug splatters against the windshield of a moving car. What is the evidence for how the force of the bug on the car compare to the force of the car on the bug?
The car is pushing the bug more.
The bug and car are in contact and pushing equally on each other.
The bug and the car are not in contact and not pushing equally on each other.
The bug is pushing the car more.
An unfortunate bug splatters against the windshield of a moving car. What is the reasoning for the evidence for how the force of the bug on the car compare to the force of the car on the bug?
The 3rd law states that two objects place unequal but opposite direction forces on each other.
The 2nd law states that two objects place unequal but opposite direction forces on each other.
The 2nd law states that two objects place equal but opposite direction forces on each other.
The 3rd law states that two objects place equal but opposite direction forces on each other.
The figure below shows the free-body diagram for an object that is moving with constant velocity. What magnitude must the force labeled B have?
100 N
50 N
75 N
25 N
150 N
If the net force acting on an object doubles, what happens to the acceleration of the object?
It quadruples
It doubles
It halves
It quarters
It stays the same.
Four forces are exerted on a box as shown in the free-body diagram. Which of the following statements is true?
The box is moving with constant velocity.
The box is at rest.
The box accelerates at a rate of 10 m/s^2 to the right.
The box accelerates at a rate of 4 m/s^2 to the right.
A person is attracted towards the earth by a 500-N gravitational force. The force with which the earth is attracted to the person is
500 N
Very very small.
Very very large.
Horizontal force F = 10 N pulling on mass. Mass NOT moving. (round to nearest hundredth)
Which equation would you use to find the gravitational force (weight) acting on the mass?
Horizontal force F = 10 N pulling on mass. Mass NOT moving. (round to nearest hundredth)
Which equation would you use to find the Normal Force acting on the mass?
The force F is increased to 350 N, and the box begins to move. The frictional force acting on it is now 10 N. (round to nearest hundredth)
Which equation would you use to find the Net Force acting on the box?
The force F is increased to 350 N, and the box begins to move. The frictional force acting on it is now 10 N. (round to nearest hundredth)
Which equation would you use to find the acceleration acting on the box?
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Which equation would you use to find the net acceleration?
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Which equation would you use to find the net force on the plane?
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Which is the the Fnet equation in the y-direction for the plane?
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Which is the the Fnet equation in the x-direction for the plane?
A plane of mass 22000 kg starts from rest and travels east in a straight line 550 km for 5 hours. If the plane encounters a head wind which exerts a force of 15 N against the front of the plane, and it does not change altitude, what is the force provided by the engines?
Which is the the Fnet equation used to find the Force of the engines?
A 400 N sign is hanging from two cables. Each cable makes a 15° angle with the horizontal. Find the tension in the cables.
Which is the Fnet equation in the x-direction for the sign?
A 400 N sign is hanging from two cables. Each cable makes a 15° angle with the horizontal. Find the tension in the cables.
Which is the equation in the x-direction that shows the relationship between the two tensions on the sign?
A 400 N sign is hanging from two cables. Each cable makes a 15° angle with the horizontal. Find the tension in the cables.
Which is the Fnet equation in the y-direction for the sign?
A 400 N sign is hanging from two cables. Each cable makes a 15° angle with the horizontal. Find the tension in the cables.
Which is the Fnet equation after substitution in the y-direction for the sign?
A 400 N sign is hanging from two cables. Each cable makes a 15° angle with the horizontal. Find the tension in the cables.
Which is the equation used to find each tension for the sign?