Physics, 29.06.2019 01:20 cvhufjbvbcxx9845

Why is no work done when you hold a book in place over your head?
a a force is applied to the book, but there is no movement.
b the book has motion, but no force is applied to it.
c a force is applied to the book, causing it to move.

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Why is no work done when you hold a book in place over your head?
a a force is applied to the...