+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 factorsDistanceForceDirection
+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