The correct option is A Yes,thenumberofrevolutionn=s2πrasitcovers2πrmeterinonerevolution.
Thenumberofrevolutionn,madebyawheeltocoveradistanceisn=distancecicumference.solGiven−rmeteristheradiusofacircle.Itcoversadistancesmeters.Tofindout−thenumberofrevolutionn,madebythewheeltocoveradistancesmeters.Solution−Thecicumfereceofthewheel=2πrmeter.∴Itcovers2πrmeterinonerevolution.∴Thenumberofrevolutionn,madebythewheeltocoveradistanceisn=distancecicumference.∴n=s2πr.SothethestatementiscorrectAnsOptionA.