System of Particles and Rotational Motion - Result Question 31
31. When a mass is rotating in a plane about a fixed point, its angular momentum is directed along :
[2012]
(a) a line perpendicular to the plane of rotation
(b) the line making an angle of
(c) the radius
(d) the tangent to the orbit
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Answer:
Correct Answer: 31. (a)
Solution:
- (a)
By right hand screw, rule, the direction of
