A centrifugal clutch has 4 blocks, each of mass 0.50 kg that can move radially outwards to engage with the friction lining of an outer drum. The inner diameter of the drum is 240mm and the coefficient of friction between block and drum is 0.35. When the block is at rest, its centre of mass is 85mm from the centre and there is a clearance of 6mm between the outside of the block and the inner surface of the drum. The block is held against its stops in the resting position by a spring with stiffness 8 kN/m. The spring has no initial tension.
Calculate the maximum power in Watts that can be transmitted at an angular velocity of 90 radians per second. Give your answer to the nearest Watt. (note: you don't need to calculate the speed of engagement to do this question).
Mathbot Says...
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