Forces and Motion Review

Front

What happens to gravitational force as the distance between two objects increases?

Back

It decreases.

Front

Gravity is a ________ force.

Back

pulling.

Front

What is an example of friction that is NOT helpful?

Back

Erosion.

Front

If Jack has a mass of 60 kg on Earth, what is his mass on the moon?

Back

60 kg.

Front

Friction acts in the __________ direction of a moving object.

Back

opposite.

Front

What is the definition of force?

Back

A push or pull on an object.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N).

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the relationship between mass and gravitational force?

Back

Gravitational force increases with mass.

Front

What is the formula for calculating weight?

Back

Weight = mass × gravitational acceleration (W = m × g).