Unit 4 - Force and Motion

A ____________ is a device that helps to reduce the amount of force needed to move an object.

• Simple Machine

• Newton (N)

• Kinetic Energy

• Mineral

Tags

NGSS.MS-ETS1-2

A ramp, that reduces the amount of force required to lift an object.

• Pulley

• Inclined Plane

• Swing

• Barrel

Tags

NGSS.MS-ETS1-1

What is force?

• a push or pull on an object

• a change in an objects motion

• an objects speed

• how far an object has moved from its original position

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force on this object?

• 0 N

• 20 N

• 40 N

• 80 N

Tags

NGSS.MS-PS2-2

Match the description to the graph:

"The car is stopped."

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Match the description to the graph:

"The car is traveling at a constant speed."

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• 
• 
• 

Match the description to the graph:

"The car is accelerating."

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Tags

NGSS.MS-PS2-2

If these teams are pulling with the same amount of force what will probably happen?

• The left side will win because the forces are unbalanced.

• The right side will win because forces are unbalanced.

• There will be a tie because the forces are balanced.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Calculate the net force.

• 600 N left

• 40 N right

• 60 N right

• 0 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which inclined plane required the least force to move up?

• A

• B

Tags

NGSS.MS-PS2-2