Chapter 13 Rhet by rreed

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Slide Notes

Chapter 13 Rhet

Published on Nov 22, 2015

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PRESENTATION OUTLINE

POTENTIAL ENERGY

THE ENERGY STORED IN AN OBJECT OR MATERIAL

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GRAVITATIONAL POTENTIAL ENERGY

THE GAIN IN POTENTIAL ENERGY WHEN AN OBJECT IS LIFTED UP

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KINETIC ENERGY

THE ENERGY OF A MOVING OBJECT

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WORK

FORCE APPLIED TO AN OBJECT TIMES THE DISTANCE THE OBJECT

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SIMPLE MACHINE

A MACHINE WITH FEW MOVING PARTS,MAKING IT EASIER TO DO WORK

Photo by Peer.Gynt

EFFORT FORCE

THE FORCE APPLIED TO A MACHINE

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RESISTANCE FORCE

THE FORCE THAT A MACHINE ACTS AGINST

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FULCRUM

THE PIVOT POINT OF A LEVER

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MECHANICAL ADVANTAGE

THE NUMBER OF TIMES A MACHINE MULTIPLIES THE FORCE APPLIED

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10.

PULLEY

A GROOVED WHEEL THAT TURNES BY THE ACTION

Photo by Arlo Bates

11.

WHEEL AND AXLE

A SIMPLE MACHINE MADE OF A HADLE OR AXIS

Photo by thefixer

12.

INCLINED PLANE

A STRAIGHT,SLANTED SURFACE THAT IS NOT MOVED WEHEN IT IS USED

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13.

SCREW

AN INCLINED PLANE WRAPPED AROUND A CENTRAL BAR

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14.

WEDGE

ONE OR A COMBINATION OF TWO INCLINED PLANE

Photo by Leo Reynolds

15.

COMPOUND MACHINE

A COMBINATION OF TWO OR MORE MACHINES

Photo by Josh Kopel

16.

EFFICIENCY

A RATIO OF THE WORK DONE BY A MCHINE

Photo by wbaiv