Explain main type of force with suitable example.

1.	Explain main type of force with suitable example.
Answer» Solution :FORCEIS REQUIREDTO bringto bodyat rest.Tonecessaryto be incontactof the body.Hencethere aremainlytwotypeof force . In contactforcethe is physical interationbodystateof motinof restof anobjectcan be changed Herecontactforectact on bothobject. Whenan OBJECTIS ingravitationfieldforcedue tofield. Anobjectfallingfreelyfrom TOPOF abuildinghasacceleratedmotiondue togarvitationfieldof the arth.Whennailis placenearbarmagnetit isattracted dueto magneticfieldof bar MAGNET.

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