Newton's First Law of Motion

50 miles per hour, West

• acceleration

• speed

• velocity

• gravity

A force is a ________________________ that acts on an object.

• push

• pull

• push or pull

A force that pushes back against one object moving past another object

• gravity

• friction

• inertia

• mass

Acceleration is best described as a change in an object's

• velocity

• speed

• direction

An object at rest will stay at rest unless an unbalanced force acts on it.

• True

• False

Tags

NGSS.MS-PS2-2

An object that is changing position (location) is

• at rest

• in motion

An object's tendency to resist (not) change its state of motion.

• gravity

• force

• inertia

• friction

Which of the following is not a force?

• gravity

• velocity

• friction

• push

If an object in motion is not acted on by an unbalanced force, it will continue with the same speed and direction.

• True

• False

Tags

NGSS.MS-PS2-2

If an object is speeding up, it has acceleration.

• True

• False