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physics form 4 forces and motion

Total questions: 35

Worksheet time: 48mins

Name
Class
Date
1.

What is a PUSH or PULL of an object?

a)

Motion

b)

Force

c)

Friction

d)

Gravity

2.

What pulls a ball back to earth?

a)

Gas

b)

Gravity

c)

Friction

d)

Molecules

3.

_______ is a force that acts between two objects which are touching. This force slows any movement between the two objects.

a)

pressure

b)

magnetism

c)

friction

4.

the amount of material in a substance

a)

inertia

b)

force

c)

mass

d)

motion

5.

What surface would probably offer the least friction if you were to slide a box across it?

a)
b)
c)
d)
6.

The rougher the surface, the faster an object will travel over the surface.

a)

True

b)

False

7.

1. It is easier to ride a bicycle down a hill than to ride up a hill because _______ helps the bicycle move down the hill.

a)

gravity

b)

friction

c)

rotation

8.

the tendency of an object to resist a change in its motion

a)

acceleration

b)

inertia

c)

mass

9.

Objects with greater _________ also have greater inertia.

a)

speed

b)

mass

c)

friction

10.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
11.

An object following a straight-line path at a constant speed

a)

has zero acceleration

b)

has no forces acting on it

c)

has a net force acting in the direction of motion

d)

none of these

12.

When are you undergoing an acceleration in a car?

a)

speed up

b)

slow down

c)

make turns

d)

All of the above

13.

If an object has a large mass, it needs a stronger force to make it accelerate. Which law of motion does this describe?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

14.

Pushing a child on a swing is easier than pushing an adult on the same swing would be an example of which law of motion?

a)

1st Law

b)

2nd Law

c)

3rd Law

15.

Identify the law of motion which states that forces always act in equal and opposite pairs.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

16.
Which of the following objects has the greatest inertia?
a)
Tennis Ball
b)
Golf Ball
c)
Bowling Ball
d)
Baseball
17.
The tendency of an object to resist change in motion is known as:
a)
inertia
b)
momentum
c)
acceleration
d)
friction
18.

Which law of motion does this picture illustrate?

a)

1st Law

b)

2nd Law

c)

3rd Law

19.

What will cause an object at rest to no longer be at rest?

a)

if the object's mass is greater than the gravitational pull on it

b)

if the mass of a nearby object is greater

c)

if it is placed on a flat surface

d)

if an outside force acts on it

20.

Which one of Newton's Laws says that for every action, there is an equal and opposite reaction?

a)

1st

b)

2nd

c)

3rd

d)

Law of Universal Gravitation

21.
It took a snail 5 seconds to travel 10 inches. How fast was the snail moving?
a)
2 mph
b)
2 in/s
c)
50 in/s
d)
15 in/s
22.
If a person walks 40 meters in 10 seconds how fast are they walking?
a)
400 m/s
b)
4 mph
c)
4 m/s
d)
50 m/s
23.
A car travels 50 miles in 2 hours. At what speed was the car traveling?
a)
25 mph
b)
100 mph
c)
52 mph
d)
48 mph
24.
What type of forces cancel each other out and do not cause motion to occur?
a)
Balanced forces
b)
Jedi forces
c)
Unbalanced forces
d)
Balanced porches
25.
What type of forces can change the position, direction, or speed of an object?
a)
Banana forceps
b)
Balanced forces
c)
Umbrella forces
d)
Unbalanced forces
26.
Identify the simple machine in the picture.
a)
Pallet
b)
Pulley
c)
Man
d)
Inclined plane
27.
Identify the simple machine used in the picture.
a)
Inclined plane
b)
Pulley
c)
Barrel
d)
Ramp
28.
This graph shows the speed is...
a)
Stationary
b)
Increasing at a constant speed
c)
Increasing gradually 
d)
Decreasing gradually
29.
This graph represents speed that is...
a)
Increasing at a constant speed
b)
Increasing gradually
c)
Stationary
d)
Increasing rapidly
30.
This graph represents speed that is...
a)
Increasing at a constant speed
b)
Stationary
c)
Increasing gradually
d)
Horizontally increasing
31.
This is an example of what type of force?
a)
Gravitational
b)
Magnetic
c)
Electric
d)
Lightning
32.
This picture is an example of what type of force?
a)
Friction
b)
Gravitational
c)
Electric
d)
Magnetic
33.
This picture is an example of what type of force?
a)
Friction
b)
Magnetic
c)
Gravitational
d)
Electric
34.
This picture is an example of what type of force?
a)
Gravitational
b)
Friciton
c)
Electric
d)
Magnetic
35.

If the man and the ball travels 90 m in 9 seconds, what is their average speed?

a)

10 m/s

b)

180 m/s

c)

99 m/s

d)

10 meters