Ch.13 Work And Machines by mocoulter

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Slide Notes

Ch.13 Work And Machines

Published on Nov 18, 2015

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PRESENTATION OUTLINE

POTENTIAL ENERGY

THE ENERGY STORED IN AN OBJECT OR MATERIAL

Photo by pennstatenews

GRAVITATIONAL POTENTIAL ENERGY

THE GAIN IN POTENTIAL ENERGY WHEN AN OBJECT IS LIFTED UP

Photo by bikesandwich

KINETIC ENERGY

THE ENERGY OF MOVING A OBJECT

Photo by teliko82

WORK

FOCRE APPLIED TO AN OBJECT TIMES THE DISTANCE

Photo by qnr

SIMPLE MACHINE

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

Photo by funadium

EFFORT FORCE

THE FOCRE APPLIED TO A MACHINE

Photo by Ed Yourdon

RESISTANCE FORCE

THE FORCE THAT A MACHINE ACTS AGAINST

FULCRUM

THE PIVOT POINT OF A LEVER

MECHANICAL ADVANTAGE

THE NUMBER OF TIMES A MACHINE MULTIPLIES THE FORCE APPLIED

10.

PULLEY

A GROOVED WHEEL THAT TURNS BY THE ACTION OF A IN THE GROOVE

Photo by Elsie esq.

11.

WHEEL AND AXLE

A SIMPLE MACHINE MADE OF A HANDLE OR AXIS

12.

INCLINED PLANE

A STRAIGHT SLANTED SURFACE THAT IS NOT MOVED WHEN IT IS USED

13.

SCREW

AN INCLINED PLAN WRAPPED AROUND A CENTRAL BAR

Photo by nickwheeleroz

14.

WEDGE

ONE OR A COMBINATION OF TWO INCLINED PLANES

Photo by Travis S.

15.

COMPOUND MACHINE

A COMBINATION OF TWO RO MORE MACHINES

16.

EFFCIENCY

A RATIO OF THE WORK DONE

Slide Notes