Force and Motion Review

Front

What causes a change in motion?

Back

Unbalanced forces cause a change in motion.

Front

What pulls objects towards the Earth?

Back

Gravity pulls objects towards the Earth.

Front

What must be exerted on an object at rest to cause it to move?

Back

A force must be exerted on an object at rest to cause it to move.

Front

What are two examples of forces?

Back

A push or pull are two examples of forces.

Front

Does a heavy object need more or less force to be moved?

Back

A heavy object needs more force to be moved.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is the definition of force?

Back

A force is a push or pull on an object.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object.

Front

What happens when balanced forces act on an object?

Back

Balanced forces do not cause a change in motion.

Front

What is the relationship between mass and force?

Back

More mass requires more force to move an object.