Question

. A body of mass 6 kg is rotated in circle of radius 3m
with a uniform speed of 10 m/s, the force which
must act on the body to maintain the motion is
(a) 100 N
(b) 200 N
(C) 300 N
(d) 20 N​

Answer 1

Answer:

option 2 is correct

Explanation:

centripetal force = m*v^2 /r

= 6*10^2/3 = 200 N

Answer 2

Answer:

option B

Explanation:

centripetal force = mv^2/r

6×10^2/3

2×10^2

2×100

200 N .....................Ans