For the situation shown in force, the rod of mass m is stations and vertical wall is smooth. Then,

Q: For the situation shown in force, the rod of mass m is stations and vertical wall is smooth. Then,

Numerical

(a) the normal contact force by vertical wall is mg/2

(b) the normal contact force between the rod and horizontal surface is mg

(c) the force exerted by horizontal surface is great than mg

(d) the normal contact force by vertical wall is zero.

Ans: (b) , (c)