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Ch13 Matthew

Published on Nov 19, 2015

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PRESENTATION OUTLINE

1.

POTENTIAL ENERGY

ENERGY THAT IS STORED IN AN OBJECT
Photo by Massachusetts Clean Energy Center
2.

GRAVITATIONAL POTENTIAL ENERGY

OCCURS WHEN AN OBJECT IS RAISED ABOVE THE GROUND
Photo by Glench
3.

KINETIC ENERGY

THE ENERGY OF A MOVING OBJECT
Photo by jurvetson
4.

WORK

APPLYING A FORCE TO AN OBJECT TO MOVE IT A DISTANCE
Photo by K J Payne
5.

SIMPLE MACHINE

A MACHINE WITH FEW MOVING PARTS NAKING IT EASIER TO DO WORK
Photo by funadium
6.

EFFORT FORCE

THE FORCE YOU APPLY TO A SIMPLE MACHINE
Photo by r.nial.bradshaw
7.

RESISTANCE FORCE

THE FORCE THAT A MACHINE ACTS AGAINST
Photo by SpaceShoe [Learning to live with the crisis]
8.

FULCRUM

PIVOT POINT OF LEVER
Photo by rptnorris
9.

MECHANICAL ADVANTAGE

MECH. ADV. INCREASES AS NUMBER OF WHEELS AND ROPES INCREASES
Photo by Travis S.
10.

PULLEY

SIMPLE MACHIN WITH ROPE & GROOVED WHEEL
Photo by mollyali
11.

WHEEL & AXLE

SIMPLE MACHINE WITH AXLE ATTACHED TO CENTER OF A WHEEL
Photo by Camil Agapie
12.

INCLINED PLANE

STRAIGHT SLANTED SURFACE
Photo by jeff habourdin
13.

SCREW

AN INCLINED PLANE WRAPPED AROUND A CENTRAL BAR
Photo by Leo Reynolds
14.

WEDGE

A KIND OF INCLINED PLANE THAT MOVES WHEN FORCE IS APPLIED
Photo by pfos
15.

COMPOUND MACHINE

A COMBINATION OF 2 OR MORE SIMPLE MACHINES
Photo by JKehoe_Photos
16.

EFFICIENCY

THE RATIO OF THE WORK DONE BY A MACHINE COMPARED PUT INTO IT
Photo by mollyali

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