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

In uniform circular motion, the centripetal acceleration is

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.

Define the terms : (i) projectile (ii) Velocity of projection (iii) Angle of projection (iv) Trajectory of projectile.

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

A particle of mass 10^-6 kg performs uniform circular motion. Its period is 10 s and the radius of the circle is 2 m. Find (i) the speed of the particle (ii) the centripetal acceleration of the particle (iii) the centripetal force on the particle.

Solve the following examples / numerical problems: Assuming that the earth performs uniform circular motion around the Sun, find the centripetal acceleration of the earth. [Speed of the earth =3 xx10^4 m/s, distance between the earth and the Sun= 1.5xx10^11 m]

Define the terms,with examples. (i) Brittle (ii)Ductile (iii)Maleable (iv) Elastomer (v) Explain elastic hysteresis.

A particle does uniform circular motion in a horizontal plane. The radius of the circle is 20 cm . The centripetal force acting on the particle is 10 N . It's kinetic energy is

The relation between linear speed v, angular speed omega and angular acceleration alpha in circular motion is

A racing car completes 5 rounds of a circular track in 2 minutes. Find the radius of the track if the car has uniform centripetal acceleration of pi^2ms^-2 .