A constant horizontal force moves a 50 kg trunk 70 m up a


A constant horizontal force moves a 50 kg trunk 7.0 m up a 26° incline at constant speed. The coefficient ofkinetic friction between the trunk and the incline is 0.20.

(a) What is the work done by the applied force?

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(b) What is the increase in the thermal energy of the trunk and incline?

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Physics: A constant horizontal force moves a 50 kg trunk 70 m up a
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