Free Printable Newton's laws

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Newton's laws

Total questions: 15

Worksheet time: 13mins

Name

Class

Date

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

remain in motion.

eventually come to a stop.

change its momentum.

accelerate.

Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

First law

Second law

Third law

A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?

For every action there is an equal and opposite reaction.

Every mass exerts a force on every other mass.

An object at rest tends to stay at rest.

Friction opposes the motion of an object.

A person in car slides to the right when going through a very sharp left turn on the highway. This is an example of

1st Law

2nd Law

3rd Law

An object will not have any inertia if it is __________?

Accelerating

Moving in a circle

In space

All objects have inertia

225 N unbalanced force applied to push a stuffed chair across the room, causing an acceleration of 4.5 m/s2. What is the mass of the chair?

20 kg

50 kg

65 kg

100 kg

Which of these best describes why your weight (on Earth) would change on another planet?

weight doesn’t change, no matter where you are

different planets have different gravitational pulls

In general, the smaller the planet, the greater weight

dehydration effects on different planets change weight

An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which of these best explains this situations

Newton's first law

Newton's second law

Newton's third law

Conservation of momentum

The tendency of an object to resist changes in its motion is...

inertia

force

acceleration

velocity

10.

Any push or pull on an object.

force

velocity

inertia

momentum

11.

The combination of all the forces acting on an object is the...

Resultant

action force

reaction force

balance force

12.

When two equal forces act in opposite directions on an object, they are called ______________________.

frictional force

balanced force

centripetal force

gravitational force

13.

You push against a wall and the wall is pushing back on you. This is best described by,

Newton's
1st
Law of Motion

Newton's
2nd
Law of Motion

Newton's
3rd
Law of Motion

14.

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

100 m/s²

25,000 m/s²

10 m/s²

25 m/s²

15.

Which force produces a change in motion?

unbalanced force