SIMPLE MACHINES

Ramps act as

• wedge

• inclined plane

• lever

fulcrum is between load and effort

• first class lever

• second class lever

• third class lever

identify second class lever

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• 
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example for third class lever

• see-saw

• tongs

• bottle opener

—a nail with an inclined plane wrapped around it.

• wedge

• pulley

• screw

a rod about which the wheel moves.

• lever

• an axle

• wedge

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

crane is an example for

• inclined plane

• wedge

• pulley

wedges are often used to

• lift objects

• change direction

• separate things

a spoon used to open a tin acts as a

• pulley

• screw

• lever

___________ is used in well to draw water

• wedge

• fixed pulley

• movable pulley