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5) A 3 kg block slides 5 m along a rough ramp that is tilted 20 from horizontal. The coefficient of kinetic friction is

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5) A 3 kg block slides 5 m along a rough ramp that is tilted 20 from horizontal. The coefficient of kinetic friction is 0.2. 5m 0 = 20 A) What is the work of the gravity force during this motion? B) What is the work of the normal force during this motion? C) What is the work of friction during this motion? Ans: 50.3 Nm, 0 Nm, -27.6 Nm

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