A spring of force constant 800N/m has an extension of 5cm. The work done in extending it from 5cm to 15cm is.

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asked Mar 21, 2018 in Physics by paayal (26,720 points) 4 6 11

A spring of force constant 800N/m has an extension of 5cm. The work done in extending it from 5cm to 15cm is
(a) 16J 

(b) 8J

(c) 32J 

(d) 24J.

1 Answer

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answered Mar 21, 2018 by sanjaydas (61,430 points) 5 7 7
selected Mar 24, 2018 by Vikash Kumar
 
Best answer

The correct answer is:

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