A centrifugal clutch transmitting 20 KW at 900 rpm consists of four shoes. The clutch is to be engaged at 500 rpm . The inner radius of the drum is 165 mm . The radius of the centre of gravity of the shoes is 140 mm , when the clutch is engaged. The coefficient of friction is 0.3 , while the permissible pressure on friction lining is $0.1 \mathrm{~N} / \mathrm{mm}^{2}$. Calculate: (a) The mass of each shoe; and
Explanation
The formula is derived from the definition of force as the product of mass and acceleration. The force applied to the shoe is equal to the weight of the shoe, which is given by F = m \* g. The radius of the centre of gravity is given as 140 mm.
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