Question

An object of mass 1g is whirled in a horizontal circle of radius 0.5m at a constant speed of 2m/s.the work done on the object during one revolution is

Answer 1

An object of mass 1 g is whirled in horizontal circle of radius 0.5 m at a constant

speed of 2 m/s. The work done on the object during one revolution is:

A) 0

B) 1 J

C) 2 J

D) 4 J

E) 16 J

Ans:

A