Physics

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

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Why is person B having a hard time moving down the hill?

• Person B has more friction than person A.
• Person B has the same friction as person A.
• Person B is out of shape.
• Person B has less friction has person A.

This is an example of what kind of force?

• Balanced Force
• Pushing Force
• Gravity Force
• Unbalanced Force

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A force that slows or stops motion when objects rub together.

• Friction
• Push
• Pull
• Magnetism

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

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What is a force?

• the PUSH or PULL on an object 
• The MOTION an object creates
• The objects HITTING one another
• Going REALLY FAST

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What is the unit for FORCE? 

• N (Newtons)
• lbs (pounds)
• g (grams)
• m/s (meters per second)

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The FORCE that PULLS things down or back to EARTH.

• Speed
• Gravity

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A magnet cannot move which of the following objects?

• a paper clip

• a nail

• a toothpick

• a staple

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Every magnet has a:

• East and West pole

• North and South pole

• East and South pole

• North and West pole

• Chicago and Saint pole