#15 Measure your Calibre

Classical Mechanics Level 4

Choose the correct Option

I) If the linear momentum of a body is conserved then angular momentum is conserved about a point.

II) If the angular momentum of a body is conserved about a point then the linear momentum is conserved.

Other problems: Check your Calibre

I II Both I and II Both are wrong

Md Zuhair by Md Zuhair , 20, India

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2 solutions

Nivedit Jain
Mar 11, 2017

Simple linear momentum is conserved when a particle moves in a straight line so angular momentum will be conserved about any point. But now consider circular motion so angular momentum will be conserved but linear momentum will change its direction every time

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Prakhar Bindal
Mar 24, 2017

Both the statements are wrong .

Consider a smooth rod placed on a horizontal surface.

If we apply forces at its two ends in same direction linear momentum wont be conserved but angular momentum will be conserved.

Similarly if they are applied in opposite directions then angular momentum wont be conserved but linear momentum will be conserved

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