. A block of mass m is suspended from a spring and executes vertical SHM of time period T as shown in figure


The amplitude of the SHM is A. Spring is never in compressed state during the oscillation. The minimum force exerted by spring on the block is

as

 

 

Best Answer

Ans: A

Sol:  The spring is never compressed. Hence spring shall exert least force on the block when the block is at topmost position.

as

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