Front

A force is a ___________ or a ___________ that can make things move.

Back

push or a pull

Front

True or false? Unbalanced forces (UF) make things start to move.

Back

True

Front

If the water is pushing a duck up with 300 units of force, how many units of force is gravity using to pull him down if the forces are balanced?

Back

300

Front

What force is pushing the rock tower up if it is not moving?

Back

the ground

Front

If Student A pushes on a cart with 750 units of force and Student B pushes with 500 units of force, what will happen to the cart?

Back

It will start to move to the right.

Front

What are balanced forces?

Back

Forces that are equal in size and opposite in direction, causing no movement.

Front

What are unbalanced forces?

Back

Forces that are not equal, causing an object to start moving or change direction.

Front

What happens when two forces push in the same direction?

Back

They combine to make a stronger force.

Front

What happens when two forces push in opposite directions?

Back

They cancel each other out, and the object may not move.

Front

What is gravity?

Back

A force that pulls objects toward each other, like the Earth pulling us down.