Newton's Laws Of Motion

By Hailey Killian and Alyssa Fennell

Newton's 1st law of motion

An object at rest will remain at rest, and an object moving at a constant velocity will continue moving at constant velocity, unless it is acted upon by an unbalanced force.

Example-Inertia (also called the first law of motion)

The picture below relates to Newton's first law of motion because it portrays that an object will remain stationary if no force is acted on it. It also shows that with no outside force, an object will continue to move.

Real life example- Imagine a toy car sitting on a flat surface. The car will not go into motion until a force is applied to it such as a push. Once the car is moving, it will maintain its speed until a certain distance and eventually will begin to stop.

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Newton's 2nd law of motion

Acceleration dependes on the objects mass and net force acting on the object.

Example-Mass x acceleration

F f=mxa

S 42kg x 13 m/s2

A 546m/s2

This picture below relates to Newton's second law of motion because the acceleration is depending on the mass and net force of the object. The smaller object has a larger acceleration because it weighs lighter. The larger object has a smaller acceleration because it is harder to push due to its large mass.

Real life example- Pushing a toy car vs. pushing a real car

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Newton's 3rd law of motion

For every force there is an equal and opposite force.

Real life example- A helicopter lifting into the air. The spinning rotators on the helicopter push air downward. In reaction, the air pushes upward on rotors. The upward force from the air makes the helicopter rise.

The visual below relates to Newton's third law because as you jump on the diving board, you push down on the board the board pushes upward on you causing you to fly in the air.

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A push or pull.


A change in velocity over a given amount of time.


The amount of matter in an object.


The tendency for an object to resist the change of motion.