How much work does gravity do on the book?

A 1.7kg book is lying on a 0.80m -high table. You pick it up and place it on a bookshelf 2.3m above the floor.

A) During this process, how much work does gravity do on the book?

B) During this process, how much work does your hand do on the book?

1 Answers

  • Aaron Krowne
    1 days ago

    (A) The expression to calculate the work done is W = F.dcos0

    When the book is picked up and placed on a book shelf, the distance is equal to the difference of the heights

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