Calculate the work required to stretch the following springs 0.3 m from their equilibrium positions. Assume Hooke’s law is obeyed. a. A spring that requires a force of 40 N to be stretched 0.1 m from its equilibrium position. b. A spring that requires 3 J of work to be stretched 0.1 m from its equilibrium position.

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Calculate the work required to stretch the following springs 0.3 m from their equilibrium positions. Assume Hookes law is ob

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a) Fä 40 N , ax = 0.1 m By Hookes law, F = k az E Ox → k= 40 0. 4oo Nim. So, work done to stretch 0.3 m from its equilibrium
6) work, W= 3 Joules x = 0.1 m 2 : W ws 11 / 2 x x² So, k= 2w 3 0.01 = 300 N/m. X2 So, work done to stretch 0.3 m from equili