Chapter 11-4 Section Check

A machine with only a few parts.

• machine

• compound machine

• simple machine

• stuff

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11-4

Name the six simple machines from your worksheet.

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OFF

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11-4

has two parts; a bar and a fixed point called a fulcrum

• wedge

• teeter totter

• wheel and axle

• lever

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11-4

A lever makes you stronger.

• TRUE

• FALSE

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11-4

When a load is closer to the fulcrum, more effort is needed to move the load.

• TRUE

• FALSE

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11-4

simple machine with a grooved wheel and a cord

• wheel and axle

• pulley

• slingshot

• flagpole

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11-4

a pulley attached to an unmoving object is a __ pulley

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11-4

a pulley attached to a load is a __ pulley

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11-4

A moveable pulley would take only __ kilograms of force to lift of 10 kg load.

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11-4

a simple machine with only one part, a flat, slanted surface.

• plain

• inclined plane

• ramp

• wedge

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11-4