How can two machines appear identical and yet not have the same actual mechanical advantage

Question

Kelvin Pittman

Physics

2 January, 10:44

How can two machines appear identical and yet not have the same actual mechanical advantage

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Aidyn Cuevas · Answer 1

There are many factors which contributes as to how a machine will be processing the input energy and convert it to output energy. Even with identical mechanism, these factors will have major effect on the output. Some factors are deflection, friction and wear. Some system maybe exposed to poor lubrication than the other which'll produce more friction and wear thus lower mechanical advantage.