State four examples where centripetal force is experienced by the body .

Examples where centripetal force is experienced by the body.

I) A stone tied at the end of a string is revolved in a horizontal circle, the tension in the string provides the necessary centripetal force. It is given by equation T = mrω2 .

II) The planets move around the sun in elliptical orbits. The necessary centripetal force is provided to the planet by the gravitational force of attraction exerted by the sun on the planet.

III). A vehicle is moving along a horizontal circular road with uniform speed. The necessary centripetal force is provided by frictional force between the ground and the tyres of wheel.

IV). Satellite revolves round the earth in circular orbit, necessary centripetal force is provided by gravitational force of attraction between the satellite and the earth.

Explain applications of centrifugal force in our daily life.

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