Front

What is the unit used for measuring forces?

Back

Newton (N)

Front

What is the pull of gravity on an object called?

Back

Weight

Front

What is air resistance?

Back

The force of friction when an object moves through air or water.

Front

What is upthrust?

Back

The upward push of a liquid or gas on an object.

Front

What does friction do?

Back

Opposes motion.

Front

What is the resultant force?

Back

The single force that has the same effect as two or more forces.

Front

What happens if the resultant force equals zero?

Back

The forces are balanced, and the object continues moving at a constant speed.

Front

What is the gravitational force acting on an object called?

Back

Weight.

Front

How is weight calculated from mass?

Back

Weight (W) = mass (m) × gravity (g).

Front

What is the approximate value of g (acceleration due to gravity)?

Back

10 m/s².