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Ty Davidson Chapter 13 Work And Machines

Published on Nov 18, 2015

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1.

POTENTIAL ENERGY

ENERGY STORED IN AN OBJECT OR MATERIAL
Photo by LA Wad
2.

GRAVITATIONAL POTENTIAL ENERGY

THE GAIN IN POTENTIAL ENERGY WHEN AN OBJECT IS LIFTED UP
Photo by Phil Roeder
3.

KINETIC ENERGY

THE ENERGY OF A MOVING OBJECTS
Photo by Michi1308
4.

WORK

FORCE APPLIED TO AN OBJECT SO IT WOULD MOVE IN THAT DIRECTION
Photo by Eva the Weaver
5.

SIMPLE MACHINE

A MACHINE WITH FEW MOVING PARTS, MAKES IT EASIER TO DO WORK
Photo by taratara69
6.

EFFORT FORCE

THE FORCE APPLIED TO A MACHINE
Photo by Duncan Brown (Cradlehall)
7.

RESISTANCE FORCE

THE FORCE THAT A MACHINE ACTS AGAINST
Photo by mousetrout
8.

FULCRUM

THE PIVOT POINT OF A LEVER
Photo by seanmasn
9.

MECHANICAL ADVANTAGES

THE NUMBER OF TIMES A MACHINE MULTIPLIES THE FORCE APPLIED
Photo by Arlo Bates
10.

PULLEY

A GROOVED WHEEL THAT TURNS BY THE ACTION OF A ROPE IN THE GROOVE
Photo by funadium
11.

WHEEL AND AXEL

A SIMPLE MACHINE MADE OF A HANDLE OR AXIS
Photo by gjs
12.

INCLINE PLANE

A STRAIGHT SURFACE THAT IS NOT MOVED WHEN IT IS USED
Photo by Sam Ilić
13.

SCREW

AN INCLINE PLANE WRAPPED AROUND A CENTRAL BAR
Photo by JusDaFax
14.

WEDGE

A COMBINATION OF TWO INCLINED PLANES THAT IA MOVED WHEN USED
Photo by thefixer
15.

COMPOUND MACHINE

A COMBINATION OF TWO OR MORE MACHINES
Photo by Phey Palma
16.

EFFCIENCY

A RATIO OF THE WORK DONE BY A MACHINE
Photo by Inventorchris

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