Define : Centripetal force

A conical pendulum has length 100 cm and the angle made by the string with the vertical is 10^@ .The mass of the bob is 200 g, find The centripetal force on the bob

Banking of roads at curve is necessary so as to avoid (A)overturning of vehicle moving with maximum speed. (B) the dependence of centripetal force on the force of friction. (C) rough nature of road surface which increases the force of friction and causes the wear and tear of tyres of vehicle. (D) skidding of the vehicle.

Define the terms : (i) Uniform circular motion (ii)Radius vector (iii) period (iv) Angular speed (v) Centripetal acceleration (vi) Centripetal force.

A car of mass 2000 kg rounds a curve of radius 250 m at 90 km/hr. Compute its Angular speed, centripetal acceleration and Centripetal force.

If the speed of a body in uniform circular motion and radius of circular path are doubled then the centripetal force will be

If the kinetic energy of a particle moving with a constantspeed on a circular path of radius 4 m is 100 j.Then the centripetal force will be

If a body of mass 5 kg is moving along a circle of radius lm with an angular velocity 2 rad/s, then the centripetal force will be

The magnitude of the centripetal force acting on a body of mass m executing uniform motion in a circle of radius r with speed v is

If a body of mass 500 gm is revolving in a horizontal circle od radius 0.49 m , then the centripetal force acting on it (if its period is 11 s ), will be

A proton of mass 1.6 xx 10^(-27)kg goes round in a circular orbit of radius 0.10 m under a centripetal force of 4 xx 10^(-13) N . then the frequency of revolution of the proton is about