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Unit 2: Forces and Force Body Diagram Practice

Total questions: 35

Worksheet time: 42mins

Name
Class
Date
1.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
2.
If there are two forces going in the SAME direction, you would ...?
a)
(-) Subtract the forces
b)
(+) Add the forces
c)
Neither
d)
(x) Multiply
3.

If there are two forces going in opposite directions how would you find the net force?

a)

Subtract

b)

Add

c)

Neither

d)

Multiply

4.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
5.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
6.
What is the net force?
a)
4.2 N left
b)
4.2 N right
c)
2.2 N left
d)
2.2 N right
7.
What is the net force?
a)
11 N left
b)
11 N right
c)
3 N left
d)
3 N right
8.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
9.
Calculate the net force shown in the  diagram?
a)
0N
b)
400 N
c)
600 N
d)
800 N
10.

What is the definition of net force?

a)

a push or a pull that acts on an object

b)

Net force equal 0N and there is no change in the object's motion

c)

the overall force acting on an object after all the forces are combined

d)

The force does not equal 0N, the object accelerates

11.

What do we call a force that causes an object to accelerate?

a)

net force

b)

moving force

c)

acceleration force

d)

unbalanced force

12.

What is the magnitude and direction of the force in the free body diagram shown?

a)

35 N right

b)

17 N right

c)

11 N right

d)

5 N right

13.

What is the magnitude and direction of the force in the free body diagram shown?

a)

5 N down

b)

0 N, no change in movement

c)

15 N up

d)

15 N down

14.

Forces have both ________ and direction.

a)

Magnitude

b)

Speed

c)

Gravity

d)

Height

15.

Name the missing force.

a)

Gravitational Force

b)

Normal Force

c)

Friction Force

d)

Applied Force

16.

Name the missing force.

a)

Normal Force

b)

Push/Pull Force

c)

Friction Force

d)

Tension Force

17.

Name the missing force.

a)

Normal Force

b)

Friction Force

c)

Gravitational Force

d)

Push/Pull Force

18.

Name the missing force.

a)

Gravitational Force

b)

Normal Force

c)

Tension Force

d)

Friction Force

19.

The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:

a)

Normal Force

b)

Gravitational Force

c)

Friction Force

d)

Air resistance

20.

This diagram can be used to indicate which of the following? (TWO correct answers)

a)

An object at rest

b)

An object accelerating

c)

An object decelerating

d)

an object moving at a constant velocity (speed)

e)

(Trick question -- there is only one correct answer)

21.

A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?

a)
b)
c)
d)
22.

A rightward force is applied to a dresser to accelerate it to the right across the bedroom floor.

a)
b)
c)
d)
23.

A book is at rest on a table. Check all the forces that act on it.

a)

gravity

b)

normal force

c)

applied force

d)

friction

24.

A small child is pulling a wagon to the left, at a constant speed. Check all the forces that are acting on the wagon.

a)

Gravity

b)

Normal Force

c)

Applied Force

d)

Friction

25.

Mickey is climbing a rope. What forces are acting on him?

a)

Gravity

b)

Normal Force

c)

Applied Force

d)

Tension

26.

The Car in the picture is moving to the right at a constant velocity. Any friction present would be pushing the car to the ...

a)

Up

b)

Right

c)

Down

d)

Left

27.

A squirrel sits on the ground and eats a donut. If the ground pushes up on the squirrel with a force of 11 N, The squirrel and donut together weigh ...

a)

less than 11 N

b)

Exactly 11 N

c)

More than 11 N

28.

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

a)

The normal force is exactly 15

b)

The normal force is less than 15

c)

The normal force is more than 15

d)

The normal force is -10

29.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
30.
Is it BALANCED? 
a)
Yes
b)
No
31.
Which one is balanced?
a)
top
b)
bottom
c)
both
32.

What forces are on a leopard laying on a log?

a)

Fg & Fapp

b)

Fb & Fg

c)

Fg & FN

d)

Ff & FN

33.

The down-arrow in this diagram is most-likely:

a)

gravity

b)

normal

c)

a push or pull

d)

friction

34.

Calculate the net force acting upon the object.

a)

10N, north

b)

20N, south

c)

10N, south

d)

22.4N, north

35.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left

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