Forces and Motion

Front

What is a force in the context of physics?

Back

A push or pull on an object

Front

Why doesn't a dodgeball fall through a table due to gravity?

Back

The table exerts an equal force upwards

Tags

NGSS.MS-PS2-2

Front

What causes an object to start moving?

Back

Unbalanced forces

Tags

NGSS.MS-PS2-2

Front

What does velocity describe?

Back

An object's speed and direction

Front

What is needed to change the velocity of an object?

Back

Acceleration

Tags

NGSS.MS-PS2-2

Front

According to Newton's first law, what will an object at rest do?

Back

Stay at rest unless acted upon by an outside force

Front

How does Newton's second law relate force, mass, and acceleration?

Back

Force equals mass times acceleration

Front

Why did the giant dodgeball not work well for the game?

Back

It required too much force to move at a reasonable speed

Tags

NGSS.MS-PS2-2

Front

What does Newton's third law state?

Back

For every action, there's an equal and opposite reaction

Tags

NGSS.MS-PS2-1

Front

What happens when a dodgeball hits a player according to Newton's third law?

Back

It exerts a force and receives an equal force back

Tags

NGSS.MS-PS2-1