+ Do Now Why do we use ramps to move heavy objects to higher places?

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Presentation transcript:

+ Do Now Why do we use ramps to move heavy objects to higher places?

+ Simple Machines

+ Work Work: the amount of force applied to an object to move it a distance Work = Force x Distance

+ Simple Machines A machine makes work easier by changing at least one of three factors Distance Force Direction

+ Two Types of Machines Exist: Simple Machines and Compound Machines

+ Compound Machines A compound machine is made of 2 or more simple machines.

+ GP1 What type of simple machine is pictured here? a) Pulley b) Wheel and Axle c) Inclined Plane d) Lever

+ GP2 What type of simple machine is pictured here? a) Pulley b) Wheel and Axle c) Inclined Plane d) Wedge

+ GP3 What type of simple machine is pictured here? a) Pulley b) Wheel and Axle c) Inclined Plane d) Wedge

+ GP4 What type of simple machine is pictured here? a) Pulley b) Wheel and Axle c) Wedge d) Lever

+ GP5 What type of simple machine is pictured here? a) Pulley b) Wheel and Axle c) Inclined Plane d) Lever

+ GP6 What type of simple machine is pictured here? a) Pulley b) Screw c) Inclined Plane d) Lever

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