A projectile has both change in kinetic and potential energy. Still the work done calculated between any two points is zero. This is due to _________
A. Presence of no external force
B. No displacement
C. The displacement being in both vertical and horizontal directions
D. Inter-conversion of kinetic and potential energies
Answer:D
A projectile has both change in kinetic and potential energy. Still the work done calculated between any two points is zero. This is due to _________
A. Presence of no external force B. No displacement C. The displacement being in both vertical and horizontal directions D. Inter-conversion of kinetic and potential energies