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PS Unit 4 Force 2025

Total questions: 51

Worksheet time: 55mins

Name
Class
Date
1.
The tendency of an object to stay in motion or at rest is called 
a)
velocity
b)
acceleration
c)
speed
d)
inertia
2.
If bricks are loaded into an empty wheelbarrow, which of these is true?
a)
less force is needed to move the wheelbarrow
b)
the amount of friction increases
c)
more force is needed to move the wheelbarrow
d)
the wheelbarrow's speed increases
3.
When two children of equal weight sit at opposite ends of a seesaw, they create
a)
gravity
b)
unbalanced forces
c)
motion
d)
balanced forces
4.
What is force?
a)
A force is a push or a pull upon an object resulting from the object's interaction with another object.
b)
The rate at which an object changes its velocity. 
c)
It is the amount of space between two points.
d)
It is Superman's power
5.
What do the arrows tell you?
a)
strength
b)
direction and strength
c)
direction
d)
speed
6.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
7.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
8.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
9.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
10.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
11.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
12.
Calculate the net force of the object.
a)
10N
b)
2N
c)
15N
d)
5N
13.
Is this a balanced or unbalanced force?
a)
Balanced
b)
Unbalanced
c)
Neither
d)
Both
14.
Which direction will the object move?
a)
Right
b)
Left
c)
Up
d)
Down
15.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
16.
Is this a balanced or unbalanced force?
a)
Balanced
b)
Unbalanced
c)
Neither
d)
Both
17.
This model shows the forces applied to a box.  However, this model DOES NOT show ________________________.
a)
the forces acting in opposite directions
b)
that the forces are unequal
c)
that student B is pushing harder
d)
the actual amount of the forces
18.
If a force causes an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Massive
d)
Strong
19.
Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?
a)
The ribbon will move to the left and group A will win the tug-of-war.
b)
The ribbon will move to the left and group B will win the tug-of-war.
c)
The ribbon will move to the right and group B will win the tug-of-war.
d)
The ribbon will move to the right and group A will win the tug-of-war.
20.
If a force causes an object to start moving, stop moving, or change direction it's considered a(an)__________________force.
a)
Balanced
b)
Unbalanced
c)
Magnetic
d)
Gravitational
21.
A cyclist traveling at 25 km/hr turns sharply to the left while continuing to move 25 km/hr. This means the forces involved are_____________________.
a)
Balanced, because the cyclist's speed did not change.
b)
Balanced, because he was still moving forward.
c)
Unbalanced, because it's the same bicycle.
d)
Unbalanced, because his direction changed.
22.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
23.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
24.
If a force does not cause an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Wimpy
d)
Weak
25.
An airplane is travelling North through the sky at a constant speed when turbulence causes it to take a different route, changing its direction. Explain the forces at work on this plane.
a)
Unbalanced, because the plane is moving forward, not backwards
b)
Unbalanced, because the speed is constant and there is a change in direction
c)
Balanced, because the plane is not falling to a lower altitude
d)
Unbalanced, because the plane is in motion
26.
An airplane is travelling at a constant speed of 540 mph.  Explain the forces at work on the plane.
a)
Unbalanced, because the plane is moving forward not backards
b)
Balanced, because the speed is constant and there is no change in direction
c)
Balanced, because the plane is not falling to a lower altitude
d)
Unbalanced, because the plane is in motion
27.
Imagine a bat swinging with a force of 1200 N, hitting a ball pitched with a force of 400 N. At what net force does the ball move away from the bat?
a)
1600 N
b)
800 N
c)
400 N
d)
Net force of 0 N
28.
The roller coaster car begins at point W.  At what point along the track will the car have the greatest amount of kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
29.

Which of these is evidence that an unbalanced force is acting on an object?

a)

The mass of the object is changing

b)

The object remains at rest.

c)

The motion of the object is changing

d)

The object continues moving in a straight line at constant velocity.

30.

What is the magnitude AND direction of each individual force?

4 lines
31.

Are these forces acting in the same direction or opposite direction?

4 lines
32.

To find the net force, will we add or subtract?

4 lines
33.

What is the net force (direction and magnitude) on this object?

a)

4N

b)

Left

c)

Right

d)

0N

e)

No direction since the forces are balanced

34.

The following picture shows forces acting on a sneaker. Suppose that the sneaker is moving toward the spring scale.

Based on evidence in the picture, in which direction is the sum of all the forces (the net force) acting?

a)

The net force is acting in an upward direction.

b)

The net force is acting in a downward direction.

c)

The net force is acting to the left.

d)

The net force is acting to the right.

35.

___________ is an opposing force that makes objects in motion slow down.

a)

force

b)

speed

c)

friction

d)

mass

36.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
37.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
38.

Balanced Force

a)

When forces are balanced, there is no change in motion

b)

When two forces act upon each other in opposite directions, and they are both the same size.

c)

Equal in size and opposite in direction

d)

Occurs when objects change in motion and can happen in two different ways.

39.

Which image is an example of a balanced force?

a)

Image 1

(Top Image)

b)

Image 2

(Bottom Image)

40.

Which boy will have an easier time getting down the hill?

a)

Boy A , because he is experiencing less friction than boy B.

b)

Boy B, because he is experiencing more friction than boy A.

41.

How does the mass of an object affect it's motion?

a)

It has no effect

b)

The less the mass the less effect a force will have

c)

The greater the mass the greater the effect a force will have

d)

The greater the mass the less effect a force will have

42.

Which requires more force to move it?

a)

A heavy object, like a bowling ball.

b)

A light object, like a tennis ball

43.

Which force pulls objects towards the center of the earth?

a)

Gravity

b)

Friction

44.

An object moves in the _________ direction a force is applied.

a)

SAME

b)

OPPOSITE

45.

What is the net force?

a)

19 N to the right

b)

4 N to the left

c)

7 N to the right

d)

3 N to the right

46.

What is the net force?

a)

25 N

b)

10 N down

c)

5 N up

d)

10 N up

47.

What is the net force in this picture? (size and direction)

a)

40 N to the left

b)

0 N (balanced forces)

c)

40 N to the right

d)

20 N to the left

48.

What is the net force in this picture? (just write the number)

(a)  

49.

A soccer ball kicked down the field is:

a)

a balanced force

b)

an unbalanced force

c)

0 Newtons

d)

traveling at a constant speed

50.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
51.

If a car is traveling faster and faster down a hill, you can be sure that-

a)

only gravity is acting on the car

b)

there is no friction acting on the car

c)

the net force on the car is 0

d)

unbalanced forces are acting on the object

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