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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?

1 Answer

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  • Anonymous
    2 months ago
    Favourite answer

    Weight = m * g

    Work output = m * g * h

    Work input = work output / 0.7

    Work input * 0.3

    • Hafsah2 months agoReport

      what would be h?

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