Forces and Motion

What is the scientific unit for acceleration?

• meters per second

• Newtons

• meters per second squared

• meters

As distance between two objects increases, gravity...

• increases

• decreases

• stays the same

What is the scientific unit for force?

• meters per second

• meters per second squared

• Newton

• meters

A rocket launching into space is a good example of which of Newton's Laws?

• Law of Inertia

• Law of Acceleration

• Law of Action-Reaction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Calculate net force using the free body diagram.

• 400 N

• 2000 N

• 400 N down

• 400 N up

Tags

NGSS.MS-PS2-2

The motion of the object in the diagram is changing.

• True

• False

Tags

NGSS.MS-PS2-2

A push or a pull on an object:

• gravity

• non-contact force

• elastic force

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

More force is required to push a full grocery cart through the store rather than an empty cart. Which of Newton's Laws explains this?

• Law of Inertia

• Law of Acceleration

• Law of Action-Reaction

Tags

NGSS.MS-PS2-2

This diagram represents which of Newton's Laws?

• Law of Inertia

• Law of Acceleration

• Law of Action-Reaction

Tags

NGSS.MS-PS2-1

Which type of force resists motion?

• Friction

• Gravity

• Pull

• Push