Question

445=3/5K -44 17m the to be a different value since it is just a like of best f ito Q4: Calculate the work done by you to stretch your spring 0.25 m. Calculate the work done by you to nature, FCN) stretch the spring 0.5 m. How many times bigger is the x -0.5m work? How can you explain this? (Hint: draw the two triangles representing the area of each on the Q1 graph) (2pts) w-

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Answer 1

F = kx for spring a motx and world done = (f. dr. This force is appered by the k(05) --- DA spring on the block! the will have to apply the same fore mopposite absection to counter it 0.25 0.5 When we pull it fill 0.25 word done is area of Go AC ki= fxK(0.25) (6:25) Similarity ilonord done to pull till 0.5 = 4k (0.5) (0.5) = kella Wz. (0.5) (os) = 4 *W,=4141 Wi (0.25) (0.25) 7 lale will have to work 4 time greater work than bl.