Answers

2015-12-06T23:07:55+08:00
Lever - a rod balanced on a fixed point that can help lift a heavy object up with less effort

Wheel and Axle - used to carry loads around easily

Inclined plane - any slope or ramp that makes it easier to lift something

Wedge - made of two inclined planes and used to push objects apart

Screw - an inclined plane wrapped into a spiral

Pulley - uses wheels and rope to raise, lower, or move a load
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