A rod of weight
is supported by two parallel knife edges
and
and is in equilibrium in a horizontal position. The knives are at a distance
from each other. The centre of mass of the rod is at distance
from
. The normal reaction on
is
Text Solution
Verified by ExpertsThe correct answer is:
B
Given situation is shown in figure.

Normal reaction on
Normal reaction on
Weight of the rod
In vertical equilibrium,
(i) Torque balance about centre of mass of the rod,

Putting value of
from equation (i)

Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A solid sphere is in rolling motion. In rolling motion a body possesses translational kinetic energ…
A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere i…
Three objects, : (a solid sphere), : (a thin circular disk) and : (a circular ring), each have t…
The moment of the force, at , about the point , is given by
A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceler…
Two discs of same moment of inertia rotating about their regular axis passing through centre and pe…