Subject :NSO Class : Class 6
A ball is projected vertically upwards and then returns to the ground. Ignore all frictional forces. Which one of the following statements about the kinetic energy and potential energy of the ball is true?
AThe kinetic energy is always equal to the potential energy
BThe kinetic energy is always less than the potential energy
CThe kinetic energy is always more than the potential energy
DThe sum of the kinetic energy and potential energy is always constant
Ans 1:
Class : Class 8