i In this case force exerted by the spring F and

Last updated: 6/1/2023

i In this case force exerted by the spring F and displacement of the block point B are in the same direction so 1ooooooooo W XO 0 W Fdx kxdx 1 10x 0 2 XO 4 0 XO Je 0 In this case work done by spring is negative F Immo ooooo In this case work done is positive ii In this case force exerted by spring on the block and its displacement an opposite so kx dx kx 1x xo Ans