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A mass  is moving with a constant velocity parallel to the -axis. Its angular momentum with respect to the origin

a)

Is zero

b)

Remains constant

c)

Goes on increasing

d)

Goes on decreasing


Question ID - 100515 :-

A mass  is moving with a constant velocity parallel to the -axis. Its angular momentum with respect to the origin

a)

Is zero

b)

Remains constant

c)

Goes on increasing

d)

Goes on decreasing

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Angular momentum

 Monmentum perpendicular distance of line of action of momentum w.r.t.

point of rotation

The quantities on the right side of the equation are not changing. Thus, magnitude is constant



Next Question :

A trolley is moving horizontally with a velocity of  m/s w.r.t. earth. A man starts running in the direction of motion of trolley from one end of the trolley with a velocity   w.r.t. the trolley. After reaching the opposite end, the man turns back and continues running with a velocity of 1.5 m/s w.r.t. trolley in the backward direction. If the length of the trolley is  then the displacement of the man with respect to earth, measured as a function of time, will attain a maximum value of

a)

b)

c)

d)


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