rotational-motion

Related Questions

• A solid cylinder of mass M and radius R rolls down an inclined plane without slipping. The speed of its centre of mass when it reaches the bottom is

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• When a force of 6.0 N is exerted at ${{30}^{o}}$ to a wrench at a distance of 8 cm from the nut, it is just able to loosen the nut. What force F would be sufficient to loosen it, if it acts perpendicularly to the wrench at 16 cm from the nut

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• Four identical spheres each of mass m are placed at the corners of square of side 2 metre. Taking the point of intersection of the diagonals as the origin, the co-ordinates of the centre of mass are

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• What is the torque of the force $\overset{\to }{\mathop{F}}\,=(2\hat{i}-3\hat{j}+4\hat{k})N$ acting at the pt. $\overset{\to }{\mathop{r}}\,=(3\hat{i}+2\hat{j}+3\hat{k})\,m$ about the origin

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• A wheel is rotating at 900 r.p.m. about its axis. When the power is cut-off, it comes to rest in 1 minute. The angular retardation in $radian/s^2$ is

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