The block depicted Fig. 4-12(a) slides with constant speed under the action of the force shown. (a)
Question:
The block depicted Fig. 4-12(a) slides with constant speed under the action of the force shown.
(a) How large is the retarding friction force?
(b) What is the coefficient of kinetic friction between the block and the floor?
Transcribed Image Text:
50 N (a) 20 N 55⁰
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