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Chpt. 13 Work And Machines-Chey

Published on Nov 26, 2015

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PRESENTATION OUTLINE

POTENTIAL ENERGY

THE ENERGY STORED IN AN OBJECT OR MATERIAL
Photo by Cayusa

GRAVITATIONAL POTENTIAL ENERGY

THE GAIN IN POTENTIAL ENERGY WHEN AN OBJECT IS LIFTED UP
Photo by M_Shahab

KINETIC ENERGY

THE ENERGY OF A MOVING OBJECT
Photo by Tom Clifton

WORK

FORCE APPLIED TO AN OBJECT TIMES THE DISTANCE THE OBJECT MOVES
Photo by kevin dooley

SIMPLE MACHINE

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

EFFORT FORCE

THE FORCE APPLIED TO A MACHINE
Photo by Greg_e

RESISTANCE FORCE

THE FORCE THAT A MACHINE ACTS AGAINTS

MECHANICAL ADVANTAGE

THE NUMBER OF TIMES A MACHINE MULTIPLES THE FORCE APPLIED

FULCRUM

THE PIVOT POINT OF A LEVER
Photo by dolanh

PULLEY

A GROOVED WHEEL THAT TURNS BU THE ACTION OF A ROPE IN THE GROOVE
Photo by Arlo Bates

WHEEL AND AXLE

A SIMPLE MACHINE MADE OF A HANDLE OR AXIS ATTACHED TO THE WHEEL

INCLINED PLANE

A STRAIGHT, SLANTED SURFACE THATIS NOT MOVED WHEN IT IS USED

SCREW

AN INCLINED PLANE WRAPPED AROUND A CENTRAL BAR

WEDGE

ONE OR A COMBINATION OF TWO INCLINED PLANES THAT MOVES

COMPOUND MACHINE

A COMBINATION OF TWO OR MORE MACHINES
Photo by Wesley Fryer

EFFICIENCY

A RATIO OF WORK DONE BY A MACHINE COMPARED TO WORK PUT INTO IT