Work and simple machines

Work and machines Making jobs easier

Work ,[object Object],[object Object],[object Object]

Motion and force ,[object Object],[object Object],Summer Olympics 2000 Sydney Australia By Lou Jones http://www.pricespower.com Force on weights Force on weights

Direction and force ,[object Object],[object Object],Force on person motion motion Force on cart

Calculating work ,[object Object],[object Object],[object Object],[object Object],[object Object]

Making work easier ,[object Object],[object Object],[object Object],[object Object],[object Object],NOT

Total work does not change ,[object Object],[object Object],[object Object],[object Object]

Mechanical advantage ,[object Object],[object Object],[object Object],[object Object],[object Object]

Efficiency ,[object Object],[object Object],[object Object],[object Object]

Types of simple machines ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Image taken from: http://www.daniel-wright.district103.k12.il.us/ccheifetz/physics.html

Levers ,[object Object],[object Object]

Lever teacher.scholastic.com/dirtrep/ simple/img/lever.gif

Types of machines – simple & compound. ,[object Object],[object Object]

The 3 types of Levers ,[object Object]

Second class lever. ,[object Object]

Third class lever. ,[object Object]

Inclined plane teacher.scholastic.com/dirtrep/ simple/img/plane.gif

Inclined plane ,[object Object],[object Object],[object Object]

Wedge teacher.scholastic.com/dirtrep/ simple/img/wedge.gif

Wedge ,[object Object],[object Object],[object Object]

Screw teacher.scholastic.com/dirtrep/ simple/img/screw.gif

A screw ,[object Object],[object Object],[object Object]

Pulley teacher.scholastic.com/dirtrep/ simple/img/pulley.gif

Pulley ,[object Object],[object Object]

Fixed Pulley ,[object Object],[object Object],[object Object]

Movable pulley ,[object Object],[object Object]

Pulley system ,[object Object],[object Object]

Wheel and axle teacher.scholastic.com/dirtrep/ simple/img/wheel.gif

Wheel and axel ,[object Object],[object Object],[object Object]

Additional information ,[object Object]

Work and simple machines

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