Amplify Force and Motion Unit Review

Front

What is speed in a particular direction called?

Back

Velocity

Front

In a collision, what determines the strength of the force experienced by an object?

Back

The mass of the object exerting the force and the acceleration.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What happens to a pod that hits a space station after being slowed by thrusters?

Back

The pod bounces and moves in the opposite direction.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Front

What must happen for an object to stop moving?

Back

A force must act in the opposite direction of the object's motion.

Tags

NGSS.3-PS2-1

Front

What is the term for the amount of matter in an object?

Back

Mass.

Front

What is the relationship between mass and force in Newton's second law of motion?

Back

Force equals mass times acceleration (F = ma).

Tags

NGSS.MS-PS2-2

Front

What is inertia?

Back

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

Tags

NGSS.MS-PS2-2

Front

How does increasing mass affect acceleration when force is constant?

Back

Increasing mass decreases acceleration.

Tags

NGSS.MS-PS2-2

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Tags

NGSS.MS-PS3-1

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).