Practice 1

Front

Which force keeps planets in orbit around the Sun?

Back

Gravitational Force

Front

What is the rubbing force that opposes motion between two surfaces in contact?

Back

Friction

Front

What is the unit of measurement for force?

Back

Newtons

Front

What force pulls objects toward each other?

Back

Gravity

Front

What term describes a change in position (movement)?

Back

Motion

Front

What is the force that opposes the motion of an object?

Back

Friction

Front

What is the term for the attraction between two masses?

Back

Gravity

Front

What is the effect of friction on motion?

Back

Friction slows down or stops motion.

Front

What is the relationship between mass and gravitational force?

Back

More mass means a stronger gravitational force.

Front

What happens to gravitational force as distance increases?

Back

Gravitational force decreases as distance increases.