Q20.When a mass suspended on a spring is displaced, the system oscillates with simple harmonic motion. Which one of the following statements regarding the energy of the system is incorrect? A The potential energy has a minimum value when the spring is fully compressed or fully extended. B The kinetic energy has a maximum value at the equilibrium position. C The sum of the kinetic and potential energies at any time is constant. D The potential energy has a maximum value when the mass is at rest.
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This statement is incorrect. The potential energy is maximum when the spring is fully compressed or fully extended because the spring is stretched or compressed the most at these points, and the potential energy is given by (1/2)kx^2, where k is the spring Show more…
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