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Question 8 In the figure shown below, the pulley at A pulls the log up an incline of 30° at a constant speed of 12 ms. If the power output (Power Force x Velocity) of the pulley is 4 kW and the mass of the log is 360 kg, calculate, a) The coefficient of kinetic friction, de, between the log and the ineline. b) The acceleration, a, of the log if the power suddenly increases to 6 kw 30°
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Answer #1

Power = force × velocity

Friction and gravitational forces are down the incline and net force is up the plane

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