Force Friction Gravity

The force that two surfaces exert on each other as they rub against each other.

• gravity

• friction

• mass

• weight

The force that pulls objects towards each other.

• gravity

• friction

• mass

• weight

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The force of friction acts in the ___________ direction of the motion

• opposite

• same

 What is the unit that measures force?

• Weight

• Net force

• Newton

• Kilogram

As the distance between 2 objects increases, what happens to gravitational force?

• It increases.

• It decreases.

• It stays the same.

• Only Mr. Silvio knows what will happen.

Makayla is conducting an experiment. She places a large block on the ramp and prepares to time the block as it moves down the ramp. When the block is released, it does not move. Makayla places a piece of wax paper between the block and the ramp. This time the block slides easily down the ramp. Which of the following best explains the job of the wax paper?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

Which two forces are acting on the dog as it flips through the air and tumbles on the ground?

• weight and mechanical energy

• gravity and magnetisim

• friction and magnetisim

• gravity and friction

Tags

NGSS.MS-PS2-4

Which two forces are acting on the dog as it flails through the air and tumbles on the ground?

• weight and mechanical energy

• gravity and magnetisim

• friction and magnetisim

• gravity and friction

Tags

NGSS.MS-PS2-4

Without gravity we would________. 

• Float away

• Stay in the ground

• Nothing would happen.

• I don't know

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

The measure of the force of gravity on an object.

• gravity

• friction

• mass

• weight

Tags

NGSS.MS-PS2-2