Work

Simple Machines ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Simple Machines ,[object Object],[object Object],[object Object],[object Object]

Mechanical Advantage ,[object Object],[object Object]

The 3 Classes of Levers ,[object Object],[object Object],[object Object],[object Object],[object Object]

The workman uses a trolley to move the large packing case. The fulcrum is the wheel. First Class Lever ,[object Object],[object Object]

Second Class Lever The gardener uses a wheel barrow to lift tools and garden waste. The load is in the centre of the barrow With a second-class lever, the load is located between the fulcrum and the effort force. Common examples of second-class levers include nut crackers, wheel barrows, doors, and bottle openers.

Third Class Lever The fisherman catches the fish which becomes the load at the end of the lever. ,[object Object],[object Object]

Wheel and Axle ,[object Object],[object Object]

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

Inclined Plane ,[object Object]

What’s work? ,[object Object],[object Object],[object Object],[object Object],[object Object]

What is work? ,[object Object],[object Object]

Work or Not? ,[object Object],[object Object],[object Object]

Formula for work ,[object Object],[object Object]

W=FD ,[object Object],[object Object]

W=FD ,[object Object],[object Object],[object Object]

Power ,[object Object],[object Object],[object Object],[object Object]

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