Question

The potential energy associated with a certain force is given by U(x)= -3x + 4x^2, where x is in meters and U is in Joules. What is the value of the force when x=1m?

Answer 1

Force=-(dU/dx)=-(-3+8x)
Force (at x=1m)=-(-3+8*1)=-5N
magnitude of the force=5N

Answer 2

Thank you! :)

Answer 3

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