+ do now why do we use ramps to move heavy objects to higher places?

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

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

+Do Now

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

Page 2: + Do Now Why do we use ramps to move heavy objects to higher places?

+

Simple Machines

Page 3: + Do Now Why do we use ramps to move heavy objects to higher places?

+Work

Work: the amount of force applied to an object to move it a distance

Work = Force x Distance

Page 4: + Do Now Why do we use ramps to move heavy objects to higher places?

+Simple Machines

A machine makes work easier by changing at least one of three factorsDistanceForceDirection

Page 5: + Do Now Why do we use ramps to move heavy objects to higher places?

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

Page 6: + Do Now Why do we use ramps to move heavy objects to higher places?

+Compound Machines

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

Page 7: + Do Now Why do we use ramps to move heavy objects to higher places?

+GP1

What type of simple machine is pictured here?

a) Pulley

b)Wheel and Axle

c) Inclined Plane

d)Lever

Page 8: + Do Now Why do we use ramps to move heavy objects to higher places?

+GP2

What type of simple machine is pictured here?

a) Pulley

b)Wheel and Axle

c) Inclined Plane

d)Wedge

Page 9: + Do Now Why do we use ramps to move heavy objects to higher places?

+GP3

What type of simple machine is pictured here?

a) Pulley

b)Wheel and Axle

c) Inclined Plane

d)Wedge

Page 10: + Do Now Why do we use ramps to move heavy objects to higher places?

+GP4

What type of simple machine is pictured here?

a) Pulley

b)Wheel and Axle

c) Wedge

d)Lever

Page 11: + Do Now Why do we use ramps to move heavy objects to higher places?

+GP5

What type of simple machine is pictured here?

a) Pulley

b)Wheel and Axle

c) Inclined Plane

d)Lever

Page 12: + Do Now Why do we use ramps to move heavy objects to higher places?

+GP6

What type of simple machine is pictured here?

a) Pulley

b)Screw

c) Inclined Plane

d)Lever