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Newton's Law of Motion

Total questions: 20

Worksheet time: 16mins

Name
Class
Date
1.

A book is lying at rest on a table. The book will remain there at rest because

a)

there is a net force but the book has too much inertia

b)

there are no forces acting on it at all

c)

there is no net force on the book

d)

there is a net force, but the book is too heavy to move

2.

A hockey puck slides on ice at constant velocity. What is the net force acting on the puck?

a)

equal to its weight

b)

zero

c)

less than its weight but more than zero

d)

depends on the speed of the puck

3.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
4.
A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 
a)
18N left
b)
18N right
c)
2N right
d)
2N left
5.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
6.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
7.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
8.

Which law is this picture illustrating?

a)

Law 1

b)

Law 2

c)

Law 3

9.
When the air is released from a balloon, the air moves in one direction, and the balloon moves in the opposite direction. Which law best explains the motion of the balloon?
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)
Newton's Law of Force Pairs
d)
Newton's Law of Biology
10.
Which one of Newton’s Laws of Motion best explains why the dishes do not move when the table cloth is removed?
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)
Newton's Law of Force Pairs
d)
Newton's Law of Biology
11.
____ is energy possessed by an object due to its motion or movement.
a)
thermal energy
b)
potential energy
c)
kinetic energy
d)
solar energy
12.
Lighter objects have LESSER inertia than heavier objects.
a)
True
b)
False
13.
____ is a force that occurs when an object rubs against another object.
a)
Motion
b)
Friction
c)
Velocity
d)
Speed
14.
Jasmyn can run 50 yards in 10 seconds and Jaylah can run 100 yards in 20 seconds. Who has a faster speed? (speed is distance divided by time; S = d/t)
a)
Jasmyn
b)
Jaylah
c)
Both have the same speed.
15.
Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron? 
a)
feathers 
b)
iron
c)
same
d)
depends on their friction
16.

You kick a smooth flat stone out on a frozen lake. The stone slides, slows down and eventually stops. You conclude that

a)

no net force acted on the stone

b)

a net force acted on it all along

c)

the stone has a natural tendency to be at rest

d)

the force pushing the stone forward finally stopped pushing on it

17.

Consider a cart on a horizontal frictionless table. Once the cart has been given a push and released, it move with constant velocity. What would have to be done in order to have the cart continue with constant acceleration?

a)

push the cart longer before release

b)

change the mass of the cart

c)

push the cart continuously

d)

push the cart harder before release

18.
A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 
a)
18N left
b)
18N right
c)
2N right
d)
2N left
19.
Which of Newton's laws are illustrated with a rocket launch?
a)
1st Law, the Law of Inertia. 
b)
2nd Law, the Law of Acceleration.
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
20.
Object X has twice the mass of Object Y.  Both objects are accelerating at the same rate.  Which statement best describes the motions of Object X and Object Y.
a)
Object X is travelling at twice the speed as Object Y.
b)
Object X is travelling at half the speed as Object Y.
c)
Object X requires twice the force to accelerate at the same rate as Object Y.
d)
Object X requires half the force to accelerate at the same rate as Object Y.

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