Forces, Gravity & Friction

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

Tags

NGSS.3-PS2-1

Imagine you decide to jump out of an airplane 🛩

Which force is going to pull you down towards earth

• Fluid Friction

• Static Friction

• Gravity

• The wind from the airplane

Tags

NGSS.MS-PS2-4

What is gravity?

• A force
• Energy
• A push
• All of them

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Without gravity we would________. 

• Float away
• Stay in the ground
• Nothing would happen.
• I don't know

Tags

NGSS.5-PS2-1

What keeps the planets in orbit around the sun?

• gravity

• friction

• density

• distance

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Any object with mass has gravity.

• True
• Sometimes
• False
• Never

Tags

NGSS.MS-PS2-4

The upward force which is exerted against a falling object is

• gravity

• terminal velocity

• air resistance

• intertia

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A force which causes objects to fall is

• weight

• gravity

• air resistance

• absorbency

Tags

NGSS.MS-PS2-4

When a falling object stops accelerating and falls at a constant speed, it is

• fluency

• constant velocity

• acceleration

• terminal velocity

Complete the sentence.

It is not the difference in gravity that causes objects to fall at different speeds, it’s the difference in the amount of__________________.

• Gravity

• Mass

• Air resistance

Tags

NGSS.MS-PS2-4