Mechanical Advantage Of Machines

Mechanical Advantage of Machines Karen M. Abbago General Science

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

Two types of M.A. ,[object Object],[object Object],[object Object],[object Object],TMA AMA

Effort ,[object Object],[object Object]

Equations = force produced = load or resistance force applied effort = distance effort moves (d E ) distance load moves (d L ) TMA

Efficiency of machines ,[object Object],[object Object],[object Object]

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

Sample problems on M. A. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],E= R/AMA

Sample problems on M. A. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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

Make it Easy by Trial ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What should we do to minimize the effects of friction? ,[object Object]

Mechanical Advantage Of Machines

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Mechanical Advantage Of Machines