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a vertical spring of force constantv100N/m is attached with a hanging mass of 10kg . Now an external force is applied on the mass so that the spring is streched by additional 2m . Find the work done by external force?

a vertical spring of force constantv100N/m is attached with a hanging mass of 10kg . Now an external force is applied on the mass so that the spring is streched by additional 2m . Find the work done by external force?

Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear Khushi
 

Here k=100N/m   x=2m

There fore W= 1/2 kx2

=> W= 1/2 *100* 4= 200J

 

Hope it helps

 

Regards

Arun

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