A mass is attached to the end of a string of length l which is tied to a fixed point O. The mass is released from the initial horizontal position of the string. Below the point O at what minimum distance a peg P should be fixed so that the mass turns about P and can describe a complete circle in the vertical plane?

A particle of mass 1 kg is attached to a string of length 5 m . The string is attached to a fixed point O . It is released from theposition as shown in Fig. Calculate a. the impulse developed in the string when it becorries taut, b. the velocity of the particle just after the string becomes taut, c. the impulse developed in this string PQ at this instant.

A small ball of mass 100 g is attached to a light and inextensible string of length 50 cm . The string is tied to a support O and the mass m released from point A which is a' a horizontal distance of 30cm from the support. Calculate the speed of the ball is its lowest point of the trajectory.

A particle of mass m attached to the end of string of length l is released from the horizontal position. The particle rotates in a circle about O as shown When it is vertically below O, the string makes contact with a nail N placed directly below O at a distance h and rotates around it. For the particle to swing completely around the nail in a circle.

A particle of mass m is suspended from a string of length l fixed to the point O. What velocity should be imparted to the particle in its lowermost position so that the string is just able to reach the horizontal diameter of the circle?

A bob of mass m attached with a string of length l tied to a point on ceiling is released from a position when its string is horizontal. At the bottom most point of its motion, an identical mass m gently stuck to it. Find the maximum angle from the vertical to which it rotates.

A bob of mass m attached with a string of length l tied to a point on ceiling is released from a position when its string is horizontal. At the bottom most point of its motion, an identical mass m gently stuck to it. Find the maximum angle from the vertical to which it rotates.

A particle of mass m, attached to the end of string of length l is released from the initial position A as shown in the figures. The particle moves in a vertical circular path about O. When it is vetically below O, the string makes contact with nail N placed directly below O at distance h and rotat es around it. If the particle just complete the vertical circle about N,then