Post FD Quiz Review

An object in free fall only has one object acting on it. What is it?

• A Desk

• The Pushing force

• The Earth

• Mr. Davenport

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If the forces on an object are balanced that means what HAS to be true?

• It CANNOT be accelerating

• It MUST move at a constant velocity

• It MUST be accelerating

• It MUST be at rest

What do we call how much the earth pulls on an object (force gravity) ?

• Mass

• Weight

• Newton Force

• Earth Power

Which direction does weight (gravitonal force) always act?

• Up

• Down

• Left

• Right

Tags

NGSS.MS-PS2-4

This object is not balanced because 40 does not equal 60

• True

• False

Tags

NGSS.HS-PS2-1

What is our unit for forces?

• Kilograms (kg)

• Meters per second (m/s)

• Miles per hour (MPH)

• Newtons (N)

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-4

Which directions will be positive in this class?

• Right and Up

• Right and Down

• Left and Up

• Left and Down

The sum of forces exerted on the object, when you consider negatives and positives is called what?

• Sum Force

• Net Force

• Total Force

• Addition Force

Tags

NGSS.MS-PS2-2

A book that weighs 20 N is laying on a desk, not moving. Is this object in equilibrium?

• Yes

• No

A book that weighs 20 N is laying on a desk, not moving. What is the force of the desk on the book?

• 20 N

• - 20 N

• 0 N

• Impossible to tell

Tags

NGSS.MS-PS2-2