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Units and Measurement
Question
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A body is rotating in XY plane in anticlockwise direction. What is the direction of angular momentum?

Answer

The direction of angular momentum is along the positive direction of Z axis. 

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Some More Questions From Units and Measurement Chapter

Does the numerical factor in the quantitative measurement depend on the system of unit used?

Is one unit sufficient to measure a physical quantity?

Can a physical quantity have two or more units? Give example.

What are fundamental quantities?

How many fundamental quantities are there in mechanics?

How many fundamental quantities are there in Physics?

Name the fundamental quantities of mechanics.

Name the different system of units in mechanics that are internationally accepted.