Newton's Laws of Motion

1st

A frog leaping upward off his lily pad is pulled downward by gravity and lands on another lily pad instead of continuing in a straight line.

1st

A little girl who had been pulling a sled behind her in the snow is crying because when she stopped to tie her hat on, the sled kept moving and hit her.

1st

A moving object will stay in motion in the same direction at the same speed unless acted upon by an outside force. All objects resist a change in motion. This is also called the Law of Inertia.

2nd

A pitched baseball goes faster than one that is gently thrown.

3rd

A swimmer pushes water back with her arms and her body moves forward

2nd

Acceleration is directly related to force and inversely related to its mass. When mass increases, acceleration decreases. When mass decreases, acceleration increases.

3rd

After you start up your motorbike, as you give it more gas, it goes faster.

2nd

As an ice skater pushes harder with her legs, she begins to move faster.

3rd

As the fuel in a rocket ignites, the force of the gas expansion and explosion pushes out the back of the rocket and pushes the rocket forward.

3rd

For every action there is an equal and opposite reaction force.

2nd

When Bobby, age 5, and his dad are skipping pebbles on the pond, the pebbles that Bobby's dad throws go farther and faster than his.

1st

When you are standing up in a subway train, and the train suddenly stops, your body continues to go forward

3rd

When you paddle a canoe, the canoe goes forward