Question

A stone of mass m is tied to a thread. The thread with a stone is rotated in a vertical circle with the length of the thread L. Assuming negligible air resistance, the thread’s tension difference at the bottom of the circle and at the top of the circle is ... . (A) mg (B) 2mg (C) 4mg (D) 6mg (E) 8mg

Answer 1

Answer:

D..................