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Newtons Laws

Total soal: 57

Worksheet time: 19mins

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1.
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.
2.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
3.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
4.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
5.
a)
1st
b)
2nd
c)
3rd
6.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
7.

A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...

a)

Forces are always balanced

b)

the squirrel is not accelerating

c)

squirrels are projectiles

d)

he's eating a donut

8.

The Law of Inertia

a)

Newtons 1st Law of motion

b)

Newtons 2nd Law of motion

c)

Newtons 3rd Law of motion

9.
Which has more Inertia? (so need more force to move) 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
10.

What does Newton's first law state about an object's motion?

a)

An object's motion can change without any force acting on it.

b)

A force is needed to keep an object moving.

c)

An object's motion cannot change unless a force acts on it.

d)

Friction is the only force affecting an object's motion.

11.

According to Newton's second law, what happens to the acceleration of an object if the force applied to it increases?

a)

The acceleration decreases

b)

The acceleration remains the same

c)

The acceleration increases

d)

The acceleration becomes negative

12.

What does Newton's third law state about forces?

a)

Forces act independently of each other

b)

Forces always result in motion

c)

Every force has an equal and opposite reaction force

d)

Forces are directly proportional to mass

13.

Which of the following is an example of Newton's third law in action?

a)

A car stopped in the driveway

b)

A soccer ball hitting a goal post

c)

A book resting on a table

d)

A bird sitting in a nest

14.

What force is responsible for slowing down a rolling ball on the ground?

a)

Gravity

b)

Magnetism

c)

Friction

d)

Electromagnetic Force

15.

Which law of motion describes an object's resistance to a change in its motion?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of these

16.

What type of force is needed to change an object's motion?

a)

Balanced Forces

b)

Frictional Forces

c)

Gravitational Forces

d)

Unbalanced Forces

17.

According to Newton's 2nd Law, what happens to acceleration if force remains constant but mass increases? The acceleration will _____.

a)

decrease

b)

increase

c)

remain constant

d)

become zero

18.

Which law of motion describes the phenomenon where forces always occur in pairs?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of these

19.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
20.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
21.

When the force on a car is doubled, the acceleration is doubled.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

22.

You push against a wall and the wall is pushing back on you.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

23.

You are carrying a lunch tray when you bump into the edge of a table. Although the tray did not tip, your milk falls off of the front of the tray.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

24.
Why is it harder to push a van filled with bowling balls than it is to push a van with basketballs?
a)
The mass of the car is greater than the mass of the basketballs
b)
The mass of the bowling balls is greater than the mass of the basketballs
c)
The van with the basketballs is bigger than the van with the bowling balls
d)
It should be equally as hard to push the two vans
25.

In Newton's first Law of Motion, an object at rest will ___________.

a)

defy gravity

b)

want to move

c)

remain at rest

d)

Go to the Moon!

26.

Mass of an object can be defined by...

a)

how small an object is

b)

how large an object is

c)

how far an object is from the sun

d)

How much matter an object is made out of.

27.

The greater the mass of an object, the greater the amount of ______ is needed to make it accelerate.

a)

Force

b)

Matter

c)

Acceleration

d)

Velocity

28.

Jumping into the air is an example of _________.

a)

Action-reaction forces

b)

Momentum

c)

electromagnetic fields

d)

Mass

29.

True or False. If an object is hit opposite sides with the same amount of force on each side, the forces cancel out and the object will NOT move.

a)

True

b)

False

30.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
31.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
32.

You push off and the boat moves the opposite direction. This is Newtons ____ law.

a)

1st

b)

2nd

c)

3rd

33.

If you kick a soccer ball with 1000 Newtons of force it will go a lot farther than kicking a bowling ball with the same force.

a)

1st

b)

2nd

c)

3rd

34.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
35.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
36.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
37.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
38.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
39.

You push off and the boat moves the opposite direction. This is Newtons ____ law.

a)

1st

b)

2nd

c)

3rd

40.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
41.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
42.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
43.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
44.

Work is done when .....

a)

a force is exerted on an object.

b)

an object exerts force onto another object.

c)

a force is exerted on an object causing the object to move.

d)

an object does not move.

45.

When force is used to move an object across a distance, this is called...

a)

effort

b)

power

c)

energy

d)

work

46.
What must occur to a shopping cart at rest in order to make it roll forward?
a)
A force must be provided to overcome gravity.
b)
Balanced forces must be acting on the cart.
c)
An unbalanced force applied to the cart pushing or pulling it forward.
d)
The unbalanced force acting upon it must be smaller than that of friction.
47.
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
48.

Work is done when .....

a)

a force is exerted on an object.

b)

an object exerts force onto another object.

c)

a force is exerted on an object causing the object to move.

d)

an object does not move.

49.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
50.

If you have a balloon and a bowling ball, which object would need more force to make it move. Explain why. (answer in complete sentences)

4 lines
51.

True or False. If an object is hit opposite sides with the same amount of force on each side, the forces cancel out and the object will NOT move.

a)

True

b)

False

52.

What is Newton's 1st law?

a)

Law of Force and Acceleration

b)

Law of Inertia

c)

Law of Action-Reaction

d)

Law of motion

53.

Which is an example of Newton's 2nd law?

a)

A ball bouncing

b)

A fan spinning

c)

Pushing a 10 pound box

d)

Sneezing

54.

An object in motion stops when.....

a)

It falls of an edge.

b)

it is acted upon by an outside force.

c)

It is eaten

d)

It never stops

55.

A fireman turns on his hose and is knocked backwards is an example of...

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4rth Law

56.

Friction

a)

an opposed force that causes a change in motion.

b)

the action of surfaces rubbing against each other.

c)

the tendency of an object to resist a change in motion or a change in rest.

d)

when the forces acting on an object are equal in size but act in opposite directions.

57.

Which ball has the most inertia?

a)

Baseball

b)

Soccer ball

c)

Bowling ball

d)

Beach ball

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