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

Relevance
  • Anonymous
    3 months ago
    Favorite Answer

    Weight = m * g

    Work output = m * g * h

    Work input = work output / 0.7

    Work input * 0.3

    • Hafsah3 months agoReport

      what would be h?

    • Commenter avatarLogin to reply the answers
Still have questions? Get your answers by asking now.