How much work was done by the workers force

Reference no: EM13552957

A worker pushed a 27 kg block 7.6 m along a level floor at constant speed with a force directed 32° below the horizontal.

(a) If the coefficient of kinetic friction is 0.20, how much work was done by the worker's force?
(b) What was the increase in thermal energy of the block-floor system?

Reference no: EM13552957

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