MCQ
A constant torque acting on a uniform circular wheel changes its angular momentum from $L$ to $4L$ in $4$ seconds. The magnitude of this torque is:
  • $\frac{3\text{L}}{4}$
  • B
    $4L$
  • C
    $L$
  • D
    $12L$

Answer

Correct option: A.
$\frac{3\text{L}}{4}$

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