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Laabri

Forces Test2020 ReTest

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Last updated about 1 month ago
40 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

An apple weighs 1 N. When the apple is at rest on a horizontal surface, what is the net force on the apple?

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

A 50-N net force is exerted on a 1400-kg elephant and 0.1-kg mouse. Which experiences the bigger acceleration?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

What net force is required to accelerate a 2-kg object to an acceleration of 6.0 m/s^2?

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Compared to its mass on earth, the mass of a 10-kg object on the moon is

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

If the net force acting on an object doubles, what happens to the acceleration of the object?

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

Four forces are exerted on a box as shown in the free-body diagram. Which of the following statements is true?

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
16.

Horizontal force F = 10 N pulling on mass. Mass NOT moving. (round to nearest hundredth)

Draw the labeled Free Body Diagram for this situation.

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
19.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
20.

Horizontal force F = 10 N pulling on mass. Mass NOT moving. (round to nearest hundredth)

Find the Normal Force acting on the mass?

Asemmisa {{asɛmmisaAhyɛnsode}}
21.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
23.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
26.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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)

Asemmisa {{asɛmmisaAhyɛnsode}}
28.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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)

Asemmisa {{asɛmmisaAhyɛnsode}}
30.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
31.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
32.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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)

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
35.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
36.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
37.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
38.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
39.

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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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)