A) Calculate the work done by a nonlinear spring with force constant k(x) = 100(x+ 0.3x) [N/m] as the spring is stretched from x₁ = 0.2 m to x₂ = 0.6 m. B) What is the average equivalent force acting on the spring over this distance? NOTE: Assume that the spring force equation F=-kx is valid.
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![A) Calculate the work done by a nonlinear spring with force constant
k(x) = 100(x+ 0.3x²) [N/m] as the spring is stretched from x₁ = 0.2 m to
x₂ = 0.6 m. B) What is the average equivalent force acting on the
spring over this distance? NOTE: Assume that the spring force
equation F= -kx is valid.
B
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