The total energy of a system moving under the action of a conservative force changes by 50 J. Which of the following statements are correct with regards to the amount of work done?
A. Amount of work done = 50 J
B. Amount of work done < 50 J
C. Amount of work done > 50 J
D. Amount of work done <= 50 J
Answer:A
The total energy of a system moving under the action of a conservative force changes by 50 J. Which of the following statements are correct with regards to the amount of work done?
A. Amount of work done = 50 J B. Amount of work done < 50 J C. Amount of work done > 50 J D. Amount of work done <= 50 J