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Physics, 16.11.2019 10:31 alejandro8212003

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 and required 9

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