A disc is rotating with angular velocity $\vec{\omega}$. A force $\vec{F}$ acts at a point whose position vector with respect to the axis of rotation is $\vec{r}$. The power associated with torque due to the force is given by ..........
A disc is rotating with angular velocity $\vec{\omega}$. A force $\vec{F}$ acts at a point whose position vector with respect to the axis of rotation is $\vec{r}$. The power associated with torque due to the force is given by ..........
- A
$(\vec{r} \times \vec{F}) \cdot \vec{\omega}$
- B
$(\vec{r} \times \vec{F}) \times \vec{\omega}$
- C
$\vec{r} \times(\vec{F}, \vec{\omega})$
- D
$\vec{r} \cdot(\vec{F} \times \vec{\omega})$
Similar Questions
If the rotational kinetic energy of a body is increased by $300\ \%$ then the percentage increase in its angular momentum will be .......... $\%$
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- [AIPMT 2003]
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