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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%
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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 7.2 if the weight of the box is 200 N-example-1
User Kunalxigxag
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1 Answer

6 votes
this question is tricky but the answer is C
User Tueda
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