q1:Which of the following statements is correct? E. Conservative forces have pot
ID: 1338475 • Letter: Q
Question
q1:Which of the following statements is correct?
E. Conservative forces have potential energies associated with them
q2:Which of the following is a correct statement?
E. Conservative forces do change the mechanical energy; they tend to transform mechanical energy into thermal
q3:Which of the following types of energy can be considered "mechanical" energy? (Select all that apply.)
E. gravitational
q4:A 30.0 kg box slides up a 12.0 meters long incline at an angle of 30 degrees above the horizontal. The change in gravitational potential energy is,
A. Nonconservative forces have potential energies associated with them. B. There is no practical difference between conservative and nonconservative forces. C. The work done by a conservative force is dependent on the path. D. The work done by a nonconservative force is independent of the path.E. Conservative forces have potential energies associated with them
q2:Which of the following is a correct statement?
A. Nonconservative forces conserve mechanical energy. B. Nonconservative forces do not change the mechanical energy; they just change one form of mechanical energy to another. C. Conservative forces do not change the mechanical energy; they just change one form of mechanical energy to another. D. Conservative forces do not conserve mechanical energy.E. Conservative forces do change the mechanical energy; they tend to transform mechanical energy into thermal
q3:Which of the following types of energy can be considered "mechanical" energy? (Select all that apply.)
A. elastic B. kinetic C. chemical D. thermalE. gravitational
q4:A 30.0 kg box slides up a 12.0 meters long incline at an angle of 30 degrees above the horizontal. The change in gravitational potential energy is,
A. 6 J B. 14 J C. 21 J D. 10 J E. 4 JExplanation / Answer
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