#7. Simple Machines Pulleys & Wheels: Outcome B3 - Andrew Wilson | Library

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A wrench is used to turn a nut on a bolt. What is the wheel in this system?

a.) The bolt

b.) The nut

c.) The wrench

d.) The bolt, nut, and wrench

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a.) do less work with less effort

b.) do less work with more effort

c.) exert half the force needed to lift a weight

d.) exert twice the force needed to lift a weight

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a.) screw

b.) a door knob

c.) car engines

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True

False

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a.) a type of simple machine

b.) the force you apply to move an object

c.) what the simple machine is lifting

d.) the point where the lever pivots

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a.) a TV remote

b.) a bicycle

c.) a shoe

d.) a phone

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a.) lever

b.) inclined plane

c.) wheel and axle

d.) block and tackle

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a.) lever

b.) screw

c.) pulley

d.) wedge

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a.) Friction between any two moving parts that are in contact

b.) Heat that is given off by the cooling system or exhaust

c.) Energy being converted to all the sounds your car makes.

d.) Incomplete combustion in the engine