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29-11-2016
Physics

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What is the efficiency of the machine in Figure 7.2 if the weight of the box is 200 N and required 98 N of effort Force?

A. 3.3%
B. 326%
C. 31%
D. 10.2%

What is the efficiency of the machine in Figure 72 if the weight of the box is 200 N and required 98 N of effort Force A 33 B 326 C 31 D 102 class=

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Mcawesom Mcawesom

29-11-2016

this question is tricky but the answer is C

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