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Grade: 11

                        

a chain of mass M and lenght L os placed on a table such that only a part of it is on the table and the remaining part hangs in air.The coefficient of friction between the chair and the table is u. Find the max lenth of the cjain that can hang in air

3 years ago

Answers : (1)

Arun
24742 Points
							
Let 'l' be the desired length hanging out so that the chain is in equilibrium chain starts moving when not pulling force is greater than frictional force.
Let m be the mass of length of chain
g*m*l/L = \mu* m(L- l)*g/L
 
l = \mu * L /(\mu +1)
Hope it helps
3 years ago
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