﻿ Newton's Laws of Motion Worksheets
These worksheets help students explore all of Newton's Laws of Motion.

#### One of the most influential scientists of all time was Isaac Newton. He pondered why things move. What speeds them up and what slows them down. He spent a great amount of his time applying the math and physics thoughts of the time to develop what he thought to be three universal hypotheses of motion. His hypotheses were tested and verified so often that they are called the Law of Motion. The first law tells us that objects like to stay in their current state of motion. Things that are at rest, like to stay that way. Objects in motion, like to stay that way too. Rest and motion will not change unless another force unbalances this object. The second law applies to the rate at which an object accelerates. He thoughts allowed us to calculate just how fast something will accelerate when we take into account the net force and the mass of the object. The third law of motion tells us forces are found in pairs. He thought that for every action there is an equal and opposite action.

This selection of reading content-based worksheets will help students learn all about Newton and how he developed these laws of motion. The series will look at each of his thoughts and dive deep into the nature and thoughts behind each law. We will look at all the variables that effect motion and apply these concepts to fun and engaging everyday models like an amusement park and athletic sporting events.

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## Newton's Contributions to Physics

Physics is the study of matter and motion, including how matter and motion behave with regards to energy and forces. Physics includes many subjects, like electricity, astronomy, motion, waves, sound, and light.

## QUESTIONS: Newton's Contributions to Physics

The Laws of Motion describe how many things in our world work, from vehicles and sports, to roller coasters.

## What Are The Laws?

The main concept is called force. Force is what happens when you push or pull on an object. Force can make an object move, speed up (accelerate), slow down, stay in place and at rest, or change shape.

## QUESTIONS: What Are The Laws?

Acceleration describes a change in velocity, and it has two qualities: speed and direction. When acceleration and velocity point in the same direction, an object accelerates (speeds up).

## What is Force?

Physicists measure force in a unit called the newton (N). One newton is equal to the amount of force required to make one gram of mass accelerate at the rate of one centimeter per second squared.

## Question Set: What is Force?

Forces have both a magnitude, which the equation above describes, and a direction.

## The Second Law of Motion

When acceleration and velocity point in opposite directions, an object decelerates (slows down).

## Question Set: The Second Law of Motion

A constant net force is one that causes an object to accelerate at a constant (unchanging) rate. Gravity is a constant net force.

## The First One

Force is what happens when you push or pull on an object. Force can make an object move, speed up (accelerate), slow down, stay in place and at rest, or change shape.

## Question Set: The First One

When an object is at rest or moving at a constant speed, the forces acting on it are in balance.

## The 3rd Law

When we walk, and we press our foot down on the sidewalk, the sidewalk also presses back up on our foot. This force helps us to lift our feet and continue moving forward. When we simply stand still, the ground is pushing back up on us with a force equal to that of gravity, which is pulling us down.

## Questions: The 3rd Law

Similarly, birds are able to fly through the air because the force of their wings pushing air downwards is equal to the force of the air pushing the bird's wings upwards.

## Friction

Friction is the resistance that one surface or object encounters when moving over or against another. The force of friction always opposes the motion of an object.

## Friction Question Series

Friction is always proportional and perpendicular to the normal force in a moving object.

## Roller Coasters and the Laws

By studying the roller coaster, we can see all three of Newton's Laws at work.

## Question Set: Roller Coasters and the Laws

What causes roller coasters to accelerate?

## Motion and Sports

Sports are a great illustration of all three of the Laws of motion at work.

## Motion and Sports Questions

The body of someone sprinting will tend to continue moving until the sprinter's muscles apply a force that make it stop is an example of: ___________

## Momentum

There are different kinds of momentum, and each kind of momentum impacts objects in different ways. All moving objects possess momentum.

## Momentum Questions

There are different kinds of momentum, and each kind of momentum impacts objects in different ways. All moving objects possess momentum.