Front

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

Back

push or a pull

Front

Gravity is a force that _________________________________

Back

pulls objects down to the center of the Earth.

Front

True or false? Balanced forces (BF) are equal or the same.

Back

True

Front

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

Back

True

Front

In the picture, the red team is pulling harder than the blue team. We can say that the forces are

Back

Unbalanced, so the rope will move toward the red team.

Front

In the picture, the rocket is moving up to outer space. Which force must be stronger?

Back

the pushing force of the engine

Front

In the picture, the students are pushing on the box with the same amount of force. Will the box begin to move?

Back

No, because the forces are the same (balanced).

Front

In the picture, the forces are balanced and the box is NOT moving. If the student on the right is pushing with 200 units of force, the student on the left is pushing with ___________________________.

Back

200 units of force

Front

In the picture, the parachutist is falling to the Earth. If gravity is pulling her down with 400 units of force, how many units of force could the air be pushing her back up with?

Back

300

Front

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

Back

300