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A rod of weight W is supported by two parallel knife edges A and B is in equilibrium in a horizontal position. The knives are at a distance d from each other. The centre of mass of the rod is at distance x from A. The normal reaction on A is
Options
(a) Wd/x
(b) W(d-x)/x
(c) W(d-x)/d
(d) Wx/d
Correct Answer:
W(d-x)/d
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion of system of Particles and Rigid Body
(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m
- In a potentiometer experiment, the balancing with a cell is at length 240 cm.
- Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations
- In an AC generator, a coil with N turns, all of the same area A and total resistance R,
- The current through an inductor changes from 3 A to 2 A is 1 m/s. If induced e.m.f.
Topics: Motion of system of Particles and Rigid Body (73)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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