A tree frog leaping upward off the tree branch is pulled downward by gravity and lands on another branch instead of continuing on in a straight line.

A ball bounced by a basketball player on the floor bounces back up at him.

When you are standing on a subway train and the train suddenly stops, you lose your balance as your body continues to move forward.

As you pedal your bicycle harder, the bicycle goes faster.

“The acceleration of an object depends on the FORCE exerted on it and its MASS.”

A football thrown by a professional quarterback goes farther than one thrown by a 10-year old.

A sea turtle pushes water back with its flippers, but its body moves forward.

As a runner reaches the finish line, she pushes harder with her leg muscles and speeds up for the last few yards.

As you fill the shopping cart with food, it becomes harder to push.

“For every action there is an EQUAL and OPPOSITE reaction”

This law is also known as the Law of Inertia.

When you jump off a rowboat, the rowboat moves backwards.

When you stir sugar into your tea with a spoon, the tea keeps swirling even after you take your spoon out.

When Lucy jumped from a raft into the water, the raft floated backwards as her body moved forward.

A sports car will accelerate faster than a van when given the same force because it much less mass

If you jump from a scooter that is moving, your body will continue moving in the direction the scooter was travelling.

An electric fan continues to turn even after being turned off.

When you sit in a chair, your body exerts a downward force on the chair, and the chair exerts an upward force on your body.