A machine having an efficiency of 70% lifts a 5.0 kg object 10.0 m. Answer the following. ?
a. What is the weight of the object
b. What is the Work output?
c. What is the Work input?
d. How much work was expended is overcoming friction?
- Anonymous2 months agoFavourite answer
Weight = m * g
Work output = m * g * h
Work input = work output / 0.7
Work input * 0.3
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