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sindhuja P Grade: 11

Two blocks each of mass 'm' are attached to the ends of a spring of force constant k. The system is placed on a rough surface having coefficient of friction Y. The maximum initial compression that can be given to the spring so that when released the blocks do not move is ___________ 

8 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points

Dear paidepelly

Let the maximum compression given to spring is x

Force acting on a block is

Normal reaction (N) in the verticle direction from the surface

mg force in the downward direction.

spring force =kx

frictional force =YN in the apposite direction of spring force

now block will not move if YN≥kx

or x ≤YN/k


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8 years ago
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