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Forces Quiz Review

Total questions: 24

Worksheet time: 27mins

Name
Class
Date
1.

Which force is the supporting force

a)

gravity

b)

normal

c)

applied

d)

friction

2.

What force does a bathroom scale read?

a)

gravity

b)

normal

c)

applied

d)

friction

3.

If the object is accelerating to the right, which force is the greatest?

a)

gravity

b)

normal

c)

applied

d)

friction

4.

If standing on an elevator and accelerating downward, which force is the greatest?

a)

gravity

b)

normal

c)

applied

d)

friction

5.

If the object is moving upward at a constant velocity, which relationship is true

a)

normal>gravity

b)

normal=gravity

c)

normal<gravity

6.

If the object is at rest, which statement is true?

a)

applied>friction

b)

applied=friction

c)

applied<friction

7.

An object is at rest when two balanced forces are applied. The strength of the net force on the object...

a)

Is equal to zero.

b)

Is stronger than each individual force by itself.

c)

Is weaker than each individual force by itself.

d)

Cannot be determined.

8.

Mr. Holmes is trying to rearrange his living room. He pushes on his couch, but it won't budge.


What type of friction is acting on the couch?

a)

Static

b)

kinetic

c)

Fluid

d)

Rolling

9.

Mr. Holmes is trying to rearrange his living room. He pushes on his desk, and it slowly moves across the floor.


What type of friction is acting on the desk?

a)

Static

b)

kinetic

c)

Fluid

d)

Rolling

10.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
11.
The same force acts on a heavy mass and a light mass. Which has a greater acceleration?
a)
The light mass
b)
The heavy mass
c)
They have the same acceleration.
d)
Neither will move.
12.
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
13.
A picture is hanging on a wall and does not move.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
14.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
15.
This law is often called "the law of inertia."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
16.
Two students are in a baseball game. The first student hits a ball very hard and it has a greater acceleration than the second student who bunts the ball lightly.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
17.
The swimmer moves her hand down and to the left and her body goes forward to the right.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
18.
A rocket is sent into space.  When the power dies out, the rocket will just keep floating and moving in space forever (unless an unbalanced force, such as a meteor, runs into it).
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
19.

The free body diagram of four boxes are shown below. Which box is in equilibrium?

a)
b)
c)
d)
20.
Equilibrium means _________
a)
being at rest
b)
traveling at light speed
c)
balance
d)
pushing or pulling
21.

If the object in this picture is in equilibrium, What is the force of friction?

a)

0

b)

12

c)

8

d)

4

22.

The object in this force diagram is...

a)

Not moving

b)

moving at a constant velocity

c)

speeding up

d)

Either not moving or moving at a constant velocity

23.

There is a mountain goat standing on a roof. Force 'C' is the ...

a)

Force of Gravity

b)

Normal Force

c)

Friction Force

d)

Applied Force

24.
What are the units on the coefficient of friction?
a)
none
b)
Newtons
c)
meters
d)
kilograms