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  Part A: Define actual and theoretical mechanical advantage, using words as well as equations. Part B:...

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Mechanical Engineering

 

Part A: Define actual and theoretical mechanical advantage, using words as well as equations.

Part B: What law of physics forbids the efficiency of an actual machine from being equal to 1? (100% efficiency)

Part C: What is the efficiency of a wooden ramp (μ =0.2) at an angle of 39 degrees?

Part D: Is a screw an example of a wheel and axle, lever, or inclined plane?

Answer & Explanation Solved by verified expert
4.1 Ratings (777 Votes)
PART A A mechanical advantage where it is assumed that there isno friction no wear and tear etc can be called as theoreticalmechanical advantage It usually conveys the the maximum overallefficiency of a machine Another assumption is that the force inputof machine is equal to force output of    See Answer
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