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Rotational Dynamics — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsRotational Dynamics2 Marks
Question
Name the quantity that is conserved when
1. $\vec{F}_{\text {external }}$ is zero
2. $\vec{\tau}_{\text {external }}$ is zero.
✓

Answer

1. Total linear momentum is conserved when $\vec{F}_{\text {external }}$ is Zero
2. Angular momentum is conserved when $\vec{\tau}_{\text {external }}$ is zero.

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