Which of the following statements is/are true? Check all that apply. Check all t

Question

      Which of the following statements is/are true?     Check all that apply. Check all that apply.           The total mechanical energy of a system, at any one instant, is either all kinetic or all potential energy.                    The total mechanical energy of a system is constant only if nonconservative forces act.                    Mechanical energy can be dissipated to nonmechanical forms of energy.                    The total mechanical energy of a system is constant only if conservative forces act.                    The total mechanical energy of a system is equally divided between kinetic and potential energy.                Which of the following statements is/are true?     Check all that apply.           The total mechanical energy of a system, at any one instant, is either all kinetic or all potential energy.                    The total mechanical energy of a system is constant only if nonconservative forces act.                    Mechanical energy can be dissipated to nonmechanical forms of energy.                    The total mechanical energy of a system is constant only if conservative forces act.                    The total mechanical energy of a system is equally divided between kinetic and potential energy.         

Explanation / Answer

3 and 4 th statements are correct

1 = false

2= false

3= true

4= true

5= false

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