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Quiz: 3 Laws of Motion

Total questions: 20

Worksheet time: 46mins

Name
Class
Date
1.
Newton’s first law of motion is also called the law of ________?
a)
Mass
b)
Inertia
c)
Force
d)
Velocity
2.
Slamming on the brakes in a moving car makes a passenger move forward against his or her seat belt because
a)
the passenger has the inertia to keep moving forward
b)
the passenger is being pushed by the seats of the car
c)
the passenger is better able to stop themselves in this manner
d)
the passenger has an equal and opposite force supporting their weight
3.
How long will an object remain at rest, according to Newton's First Law of Motion?
a)
it can't rest
b)
until noon
c)
until an unbalanced force occurs
d)
as long as there are unbalanced forces acting on it 
4.
For every _______ there is an equal and opposite ________. 
a)
reaction, action
b)
action, action
c)
reaction, reaction
d)
action, reaction
5.
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
6.
Which of these is an example of Newton's Second Law, F=ma
a)
a tug of war where both sides pull equally, and the rope doesn't move
b)
a wide receiver using his hands to stop and catch a football thrown by the quarterback
c)
a car traveling on a straight part of the highway with a cruise control set at constant velocity
d)
a book pushing down on the desk where it is resting
7.
You pull a wagon with your younger sister in it. Which of these would accelerate the rate at which you can pull the wagon?
a)
pull the wagon with less force
b)
Pull the wagon with more force
c)
Have your sister push down on the wagon
d)
Put another of your siblings in the wagon
8.
A wheelbarrow is experiencing two forces. One is pushing 5N east and another 5N west. What is true about the motion of the wheelbarrow?
a)

it isn't accelerating

b)

it is accelerating

c)

it is slowing down

d)

its speed is constant

9.
A 260.5N unbalanced force applied to push a chair across the room causing an acceleration of 4.2 m/s2. What is the mass of the chair?
a)
62.02 kg
b)
63.69 kg
c)
263.3 kg
d)
1123.5 kg
10.
When a person jumps horizontally off the end of a boat, the person goes forward and the boat goes backward. This is an example of 
a)
inertia
b)
action and reaction
c)
Newton's 1st law
d)
Newton's 2nd law
11.
When a Civil War era cannon is fired, the force of the gas produced by exploding powder propels the cannonball forward at a high speed. According to Newton's 3rd law
a)
the cannon itself moves backward
b)
the cannon itself does not move due to inertia
c)
the cannon itself moves forward as well with the momenturm
d)
the cannon itself moves forward with the inertia of the cannonball
12.
The resultant force on the box is 
a)
2 Newtons to the left
b)
10 Newtons to the right
c)
10 Newtons to the left
d)
20 Newtons to the right
13.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
14.

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

15.

A skater pushes another skater forward, but the one pushing moves backwards.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

16.

What measurement is used to measure force?

a)

Newtons

b)

Kelvin

c)

Kilos

d)

Moles

17.
Which one of Newton’s Laws of Motion best explains why the dishes do not move when the table cloth is removed?
a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action-Reaction

d)

Law of Gravitation

18.

Force is directly proportional to acceleration but inversely proportional to an object's mass.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

19.

What does Newton’s First Law say about an object moving with a constant speed and direction?

a)

It has no net force acting on it.

b)

It has no forces acting on it.

c)

It must have a net force acting on it.

d)

Nothing, because Newton’s First Law only applies to objects at rest.

20.

A person is pushing their car forward with 1000 N of force causing it to speed up. After a while the car enters some mud which applies 1000 N of force in the opposite direction. At this point what will happen to the car?

a)

It will stop immediately.

b)

It will slow down and eventually stop.

c)

It will move with a constant speed and direction.

d)

It will continue to speed up, just not as quickly.

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