A wound watch spring possesses energy in the form of
A.Potential energy
B.Kinetic energy
C.Spring energy
D.Mechanical potential energy
E.Both potential and kinetic energy
A.Potential energy
B.Kinetic energy
C.Spring energy
D.Mechanical potential energy
E.Both potential and kinetic energy
A.at least one man on side B should be removed
B.the force applied on A must be equal to that on B
C.the force required on A must not be equal to that on B
D.infinite force will be required to be applied at both ends