Classical Mechanics

This force keeps Mercury in orbit around the Sun.

• Gravitational

• Electromagnetic

• Strong nuclear

• Weak nuclear

Work is measured in newtons.

• True

• False

The mass of an object divided by its volume is its _______.

Acceleration only refers to an increase in speed.

• True

• False

This is the speed of an object and the direction it moves in.

• Distance

• Mass

• Speed

• Velocity

Mass cannot be created or destroyed.

• True

• False

Classical mechanics is primarily concerned with ... objects, such as planets, cars, and everyday objects.

• macroscopic

• microscopic

Newton's first law of motion is known as the Law of _______.

• planets

• inertia

• forces

• velocity

For every force applied to an object, there is an equal and opposite reaction.

• True

• False

Velocity is a ... .

• scalar

• vector