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force diagrams

Total questions: 48

Worksheet time: 57mins

Name
Class
Date
1.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
2.
Which way is the force  moving?
a)
it's not , it is balanced or moving at a constant
b)
to the right
c)
to the bottom
d)
up
3.
Which way is the object moving?
a)
It is not or moving at a constant speed
b)
moving to the right
c)
moving to the left
d)
going up
4.
Which is moving at a constant speed or not at all?
a)
a
b)
b
c)
c
d)
d
5.
What is the net force in this diagram?
a)
8N right
b)
2 N right
c)
8N left
d)
2N left
6.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
7.

An airplane is flying at a constant speed of 500 mph. What can be said about the forces acting on the airplane?

a)

Forces are balanced

b)

Forces are unbalanced

c)

There are no forces acting on the airplane

d)

There is a net force acting on the airplane

8.
Name the missing force...
a)
push
b)
weight force
c)
tension force
d)
drag
9.

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)
10.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
11.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
12.
Which way is the box moving?
a)
to the right
b)
to the left
c)
going up
d)
going down
13.

A downward-moving skydiver who has just opened the parachute is slowing down. Which of the following pictures depict all the forces acting on the parachutist

a)
b)
c)
d)
14.

Four forces act concurrently on a block on a horizontal surface as shown in the diagram.

As a result of these forces, the block

a)

moves at constant speed to the right

b)

moves at constant speed to the left

c)

accelerates to the right

d)

accelerates to the left

15.
The force that acts on an object to stop its motion.
a)
Speed
b)
Friction
16.
Which way is the box moving?
a)
to the right
b)
to the left
c)
going up
d)
going down
17.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
18.
Ted is trying to move a fridge through his house, he gets stuck on a carpet and even though he is pushing the fridge, it is not moving. What force is acting against him?
a)
gravity
b)
friction
c)
air
d)
mass
19.
The SI Unit of force is
a)
Pascal
b)
Meter/second
c)
Newton
d)
kg
20.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
21.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
22.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
23.
Which of the following shows the direction of the friction force?
a)
A
b)
B
c)
C
d)
D
24.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
25.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
26.
Which of the following shows the direction of the friction force?
a)
A
b)
B
c)
C
d)
D
27.
There is more friction between _________ surfaces.
a)
smooth
b)
slippery
c)
hard
d)
rough
28.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
29.
Which one is balanced?
a)
top
b)
bottom
c)
both
30.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
31.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
32.
Name the missing force...
a)
normal force
b)
applied force
c)
frictional force
d)
tension force
33.
What is the net force of an object that is not moving?
a)
0N
b)
100N
c)
Upward force
34.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
35.
A box is moving to the left up a ramp. Which way is the force of friction pointing?
a)
down the ramp to the right
b)
up the ramp to the left
c)
Up at an angle
d)
straight up
36.
What is the name of the force for the arrow going upwards in the picture.
a)
applied force
b)
tension force
c)
normal force
d)
buoyant force
37.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
38.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
39.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
40.
Any time the forces are unbalanced, an object will remain at rest. True or false?
a)
true
b)
false
41.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
42.

What force opposes gravity when an object is on a surface?

a)

Applied Force

b)

Normal Force

c)

Frictional Force

d)

Air Resistance

43.

What force opposes applied force when an object is sliding across a surface?

a)

Applied Force

b)

Normal Force

c)

Frictional Force

d)

Air Resistance

44.

How many forces are on a couch being pushed across a living room floor?

a)

1

b)

2

c)

3

d)

4

45.

What force opposes the motion of two objects sliding past each other?

a)

Applied Force

b)

Normal Force

c)

Frictional Force

d)

Gravitational force

46.

Which freebody diagram best represents a desk being pushed across the classroom floor?

a)
b)
c)
d)
47.

Which freebody diagram best represents a bookbag resting on the classroom floor?

a)
b)
c)
d)
48.

What is the force that is opposite the force in the diagram?

a)

Normal

b)

Friction

c)

Applied

d)

Gravity

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