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

2. + Simple Machines

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

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

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

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

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

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

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

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

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

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