Questions in Motion in A Plane

Select	Question
	In a vertical circle of radius r, at what point in its path a particle has tension equal to zero if it is just able to complete the vertical circle
	The tension in the string revolving in a vertical circle with a mass .. at the end which is at the lowest position
	A hollow sphere has radius 6.4 m. Minimum velocity required by a motor cyclist at bottom to complete the circle will be
	A block follows the path as shown in the figure from height \[h\]. If radius of circular path is \[r\], then relation that holds good to complete full circle is
	A pendulum bob on a 2 m string is displaced $60^o$ from the vertical and then released. What is the speed of the bob as it passes through the lowest point in its path
	A fan is making 600 revolutions per minute. If after some time it makes 1200 revolutions per minute, then increase in its angular velocity is
	A particle is tied to 20cm long string. It performs circular motion in vertical plane. What is the angular velocity of string when the tension in the string at the top is zero
	A stone tied with a string, is rotated in a vertical circle. The minimum speed with which the string has to be rotated
	For a particle in a non-uniform accelerated circular motion
	A fighter plane is moving in a vertical circle of radius ‘r’. Its minimum velocity at the highest point of the circle will be