Answer to Question #124297 in Classical Mechanics for ella

Question #124297

A 500g wooden block can slide down an inclined track uniformly when the inclination is 28 ° from the horizontal. What is the magnitude of the friction force?

Expert's answer

"F_{net}=0=F_f-mg\\sin{28}"

"F_f=(0.5)(9.8)\\sin{28}=2.3\\ N"

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