Obtain an expression for the centripetal force required to make a body of mass m moving with a constant speed v around a circular path of radius r.

Explain why a particle moving with a constant speed along a circular path has radial acceleration.

How much work is done on a body of mass m in moving it around a horizontal circle of radius R?

What is the work done on a body of mass m moving around a horizontal circle of radius r?

What is the expression for kinetic energy of a body of mass 'm' moving with velocity 'v'.

A body is moving in a circular path with constant speed

What is the direction of acceleration of a body moving in a curved path with a constant speed?

When a body of mass 'm' moves with a velocity 'v' its kinetic energy-

Give the magnitude and direction of the net force acting onfa) a drop of rain falling down with a constant speed. (b) a cork of mass 10 g floating on water. (c) a kite skillfully held stationary in the sky. (cf) a car moving with a constant velocity of 30 km/h on a rough road.

A simple pendulum of length I and mass m is suspended in a car that is travelling with a constant speed v around a circle of radius R. If the pendulum undergoes small oscillations about its equilibrium position, what will be its frequency•of oscillation ?

If a body is moving in a circle of radius r with a constant speed v m/s. Its angular velocity is