Question: (a) How much work is done when you push a crate horizontally with 100 N across a 10-m factory floor? (b) If the force of

(a) How much work is done when you push a crate horizontally with 100 N across a 10-m factory floor?
(b) If the force of friction on the crate is a steady 70 N, show that the KE gained by the crate is 300 J.
(c) Show that 700 J is turned into heat.

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