A long thread suspended from a fixed point, has a small mass swinging to and fro at its lower end.

The potential energy is always equal to the kinetic energy.

The sum of the potential and kinetic energy is maximum in the middle of the swing.

The potential energy of the mass is maximum in the middle of the swing.

The kinetic energy is maximum in the middle of the swing.

A long thread suspended from a fixed point, has a small mass swinging

1.	A long thread suspended from a fixed point, has a small mass swinging to and fro at its lower end.
A.	The sum of the potential and kinetic energy is maximum in the middle of the swing.
B.	The potential energy of the mass is maximum in the middle of the swing.
C.	The kinetic energy is maximum in the middle of the swing.
D.	The potential energy is always equal to the kinetic energy.
Answer» D. The potential energy is always equal to the kinetic energy.