Select T-True, F-False, for each statement. If the first is T and the rest F, en
ID: 2023205 • Letter: S
Question
Select T-True, F-False, for each statement. If the first is T and the rest F, enter TFFFFF.A) Work is done when the form of energy changes.
B) Energy conservation law for a projectile (no friction): Potential energy decrease equals the kinetic energy increase.
C) Energy is required to do work.
D) Without friction, the sum of the potential and kinetic energies of a body is constant.
E) Work cannot be done in the absence of motion.
F) Less power is required while lifting a box up quickly than while slowly lifting it.
Explanation / Answer
T T T T F T