Q

Mechanical energy minus kinetic energy equals:

RRB Group D; RRB Group D; RRB Group D 19/09/2018 / Shift-III; 12/10/2018 / Shift-II; 16/11/2018 / Shift-III 2018
✓ Answer: B Potential energy
Emechanical = K + U, so Emechanical - K = U.