Free Printable Newton's Laws of Motion

1.

A 10 kg object experiences a net force of 20 Newtons. Calculate the object's acceleration.

a)

$2\ \frac{m}{s^2}$

b)

$0.5\ \frac{m}{s^2}$

c)

$200\ \frac{m}{s^2}$

d)

$3.33\ \frac{m}{s^2}$

2.

What is Newton's First Law known as? The Law of

a)

Friction

b)

Mass

c)

Inertia

d)

Gravity

3.

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

4.

As more unbalanced force is applied to an object, its acceleration:

a)

stays the same

b)

decreases

c)

increases

5.

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

6.

What is Newtons 2nd law of motion?

a)

$Force\ =mass\ x\ acceleration$

b)

An object at rest stays at rest unless acted on an unbalanced force.

c)

For every action there is a equal and opposite reaction

d)

$Speed\ =\ \frac{displacement}{time}$

7.

What is Newtons 1st law of motion?

a)

$Force\ =\ mass\ x\ acceleration$

b)

An object at rest stays at rest unless acted on an unbalanced force.

c)

For every action there is an equal and opposite reaction

d)

$Weight=mass\ x\ gravity$

8.

What is Newtons 3rd law of motion?

a)

$Force\ =\ mass\ x\ acceleration$

b)

An object at rest stays at rest unless acted on an unbalanced force.

c)

For every action there is a equal and opposite reaction.

d)

Law of gravity

9.

A box is accelerated to the right across rough ground by a horizontal force F_a. The force of friction is F_f. The weight of the box is F_g and the normal reaction is F_n. Which is the free-body diagram for this situation?

a)

b)

c)

d)

10.

Two blocks of weight 5 N and 2 N are attached to two ropes, X and Y.

The blocks hang vertically. The mass of the ropes is negligible. What is the tension in X and the tension in Y?

a)

7N, 7N

b)

7N, 2N

c)

5N, 2N

d)

5N, 3N

11.

A cart of mass 4.0 kg is being pulled with a force of 24 N. The cart accelerates at 3.0m s^–2. An unknown friction force also acts on the cart. What is the net force on the cart?

a)

6.0 N

b)

8.0 N

c)

12 N

d)

24 N

12.

A constant force of 12 N is applied for 3.0 s to a body initially at rest. The final velocity of the body is 6.0m s^–1. What is the mass of the body?

a)

1.5 kg

b)

6.0 kg

c)

24 kg

d)

36 kg

13.

A box is pulled by a tension force with an unknown magnitude to the right. The box experiences a constant friction force equal to 20 Newtons. The box has a mass of 10 kg and experiences an acceleration of 5 m/s^2 to the right. What must be the magnitude of the tension force applied to the right?

a)

50 Newtons

b)

70 Newtons

c)

30 Newtons

d)

150 Newtons

14.

An object has a mass of 30 kg and an acceleration of 2 m/s^2. What must be the net force on the object?

a)

60 N

b)

45 N

c)

15 N

d)

0.067 N

15.

An object with a mass of 10 kg is initially at rest. It is pulled to the right by a constant tension force. The object reaches a final velocity of 15 m/s after 5 seconds of the tension force pulling on the object. What must be the magnitude of the tension force?

a)

3 Newtons

b)

30 Newtons

c)

60 Newtons

d)

10 Newtons

Newton's Laws of Motion

Total questions: 15

Worksheet time: 11mins

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