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WorksheetsNewton's Laws of Motion
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
Newton's Law of Inertia describes the motion of-
a)
Objects at rest only
b)
Objects in motion only
c)
Objects at rest and objects that are in motion
d)
Objects without a mass and resist being set into motion
2.
Which law best explains how objects accelerate when a force is applied?
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 Chemistry
3.
A man hits a 0.2 kg golf ball causing it to accelerate at rate of 20 m/s2. Calculate the force used on the golf ball.
a)
4 N
b)
100 N
c)
0.01 N
d)
20.2 N
4.
A force of 560 N is needed to produce an acceleration of 20 m/s2. What is the mass of the accelerated body?
a)
28 kg
b)
11200 kg
c)
0.04 kg
d)
580 kg
5.
A 20 kg bike accelerates at 10 m/s2. what was the net force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
6.
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
7.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
8.
Which of the following shows the direction of the friction force?
a)
A
b)
B
c)
C
d)
D
9.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
10.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
11.
What measurement is used to measure force?
a)
Newtons
b)
Kelvin
c)
Kilos
d)
Moles
12.
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
13.
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
14.
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 moving
b)
it is accelerating
c)
it is slowing down
d)
its speed is constant
15.
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
16.
A cup of coffee sits on the dashboard of an automobile. The car goes around a sharp curve. Even though you hold the cup still, coffee splashes out. This is explained due to
a)
density
b)
friction
c)
gravity
d)
inertia
17.
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
18.
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
19.
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
20.
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
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