Question

A mass of 1 kg is tied to the end of a string attached to the
hook of a spring balance graduated in kg wt. Holding the
other end of the spring balance in hand, if the mass is whirled
in a horizontal circle of radius 1 m with a speed of 20
s-1, the reading of the spring balance is (assuming g to be
10 m s-2)
(A) 4 kg wt
(B) 0.4 kg wt
(C) 40 kg wt
(D) 2 kg wt

please solve​

Answer 1

Answer:

0.4 kg wt please support me yarr