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Newton's Laws Test

Total questions: 23

Worksheet time: 14mins

Name
Class
Date
1.

Which law states that the acceleration of an object depends on the force exerted on it and its mass?

a)

1st Law

b)

2nd Law

c)

3rd Law

2.

Which law states that for every action there is an equal and opposite reaction?

a)

1st Law

b)

2nd Law

c)

3rd Law

3.

When there is an INCREASE in MASS of an object you will have a DECREASE in ______________.

a)

friction

b)

acceleration

c)

force

d)

gravity

4.

Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward out of her seat. This is an example of which law of motion?

a)

2nd Law

b)

1st Law

c)

3rd Law

5.

A jellyfish swims through the water by pulling in water and then pushing the water back out in the opposite direction. This is an example of which law of motion?

a)

1st Law

b)

2nd Law

c)

3rd Law

6.

Billy pushes his little brother on a sled through the snow. He then tries to push his father on the the same sled. He noticed that it was much harder to push his father. Which law is this an example of?

a)

1st Law

b)

2nd Law

c)

3rd Law

7.

Beth's bike remains stopped at the intersection until she begins pedaling again. Which law is this an example of?

a)

1st Law

b)

2nd Law

c)

3rd Law

8.

When an unbalanced force acts on an object, the force ______________________.

a)

changes the motion of the object

b)

is cancelled by another force

c)

does not change the motion of an object

d)

is equal to the weight of the object

9.

According to Newton’s second law of motion, force is equal to mass times ______________________.

a)

inertia

b)

weight

c)

acceleration

d)

direction

10.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

11.
Gravity is increased with...
a)
greater mass & shorter distance
b)
greater mass & farther distance
c)
lower mass & shorter distance
d)
lower mass & farther distance
12.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
13.

A change in velocity requires the application of a ___________.

a)

sound

b)

magnet

c)

forehead

d)

force (push or pull)

14.

The unit used for measuring weight is the _______.

a)

Newton

b)

Distance

c)

Gravity

d)

Mass

15.

_______ is the measure of the force of gravity pulling on an object.

a)

Weight

b)

Mass

16.

Which of the following choices causes the atmosphere to be held in place around Earth?

a)

Speed

b)

Gravity

c)

Work

d)

Balance

17.

In an investigation, Ross drops a basketball from a ladder and watches it fall to the ground. What is the force that pulls the basketball to the ground?

a)

Acceleration

b)

Distance

c)

Gravity

d)

Mass

18.

Why does the Moon orbit Earth?

a)

There is a chemical attraction between the Earth and the Moon.

b)

There is a gravitation attraction between the Earth and the Moon.

c)

There is a magnetic attraction between the Earth and the Moon.

d)

There is mechanical attraction between the Earth and the Moon.

19.

Would you weigh less on Earth or the moon?

a)

Earth

b)

the moon

c)

You would weigh the same

20.

How much force is needed to accelerate a 3kg skateboard at 5m/s2.

a)

8N

b)

1.6N

c)

0.6N

d)

15N

21.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
100 m/s2
b)
25,000 m/s2
c)
10 m/s2
d)
25 m/s2
22.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2.  What is the mass of the object?
a)
100kg 
b)
1,250kg
c)
50kg
d)
5kg
23.
You give a shopping cart a shove down the isle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s2. How much force did you exert on the cart?
a)
6N
b)
54N
c)
21N
d)
18N