Which of the following is correct about energy?
A. Energy is not required to do work.
B. Work can be expressed as Force × Displacement.
C. Unit of power is joule.
D. Power is the amount of work done per unit time.
Answer:C
Which of the following is correct about energy?
A. Energy is not required to do work. B. Work can be expressed as Force × Displacement. C. Unit of power is joule. D. Power is the amount of work done per unit time.