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A block of mass 2kg is connected with a ...

A block of mass `2kg` is connected with a spring having spring constant `200` N/m held in equilibrium between two vertical walls 'A' and 'B' as shown as in figure.If compression in the spring is `4` cm and all the surfaces are smooth then normal reaction by the block on the wall `B' will be

A

`8` N

B

`16` N

C

`4` N

D

`12` N

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