MCQ
$Joule-second$ is the unit of
- AWork
- BMomentum
- CPressure
- ✓Angular momentum
✓
Answer
Correct option: D.
Angular momentum
d
(d) $\tau = \frac{{dL}}{{dt}}$
(d) $\tau = \frac{{dL}}{{dt}}$
$⇒$ $dL = \tau \times dt$$ = r \times F \times dt$
i.e. the unit of angular momentum is joule-second.
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