Force, Motion, Energy Review Week Quiz

The force that opposes motion between two objects that are touching.

• magnetism

• gravitation

• a machine

• friction

______ is a push or pull of an object.

• machine
• power
• speed
• force

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What force causes rain drops to slide down a window?

• friction
• force
• magnetism
• gravity

If you pull on the following objects with the same amount of force, which object will you move the least? 

• marker

• table

• pencil

• chair

Tags

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What is the unit for measuring force?

• newtons
• kilometers
• inches
• miles

Speed equals distance divided by time. What is the speed of a car that travels 120 miles in 2 hours?

• 40 miles per hour
• 60 miles per hour
• 12.5 miles per hour
• 100 miles per hour

What would happen if there was no gravity?

• everything would float away
• you could not jump
• your mass would change

Newton's Third Law states that for every action there is an equal, but opposite, reaction. 

• True
• False

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What is the opposite action of you pushing down on your chair?

• The chair pushing up on you.
• The floor pushing on the chair. 
• You pushing down on the chair. 
• Your mass changing. 

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Which of the following would be the hardest to stop?

• A loaded moving van traveling at 75 miles per hour
• A loaded, 100-car freight train traveling at 75 miles an hour
• A snowmobile traveling at 75 miles an hour
• Your family car traveling at 75 miles an hour

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