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B) Car on road
K. Priyadarshan...(student)on 2/7/12
C) engine of car
Ruchi Kumari(student)on 3/7/12
Puyush Devikar(student)on 11/7/12
Its C) Engine of car.
D) is not the ans because car on the road does not help in acceleration rather it only supports the movement of acceleration.
Hope it helps !!! :)
Ron Samprass(student)on 13/7/12
lEt mE explain GUys....
firSt of all D). DrivErs aPPly forcE to aCCelerAte
then C). Engine of the car applies force on the tyrEs to rotaTe themm
then B). Car exerts force on The Ground (from its Tyres)
at Last A). roAd applies frictionalForce on the car tyRes so they can Move foRward...
Madhav Lakhera(student)on 14/7/12