A smooth rod of mass 1 kg is in equilibrium inside a hollow fixed. Sphere such that ∠ACB = 120°. Find the normal reaction on the rod at end A.

Q: A smooth rod of mass 1 kg is in equilibrium inside a hollow fixed. Sphere such that ∠ACB = 120°. Find the normal reaction on the rod at end A.

Numerical

(a) 20 N

(b) 10√3 N

(c) 10 N

(d) 5√3 N

Ans: (c)