Test Academy | A car of mass m starts from rest and acquires a velocity along east v = vî (v>0) in two seconds. Assuming the car moves with uniform acceleration, the force exerted on the car is mv/2, eastward and is exerted by the car engine., mv/2, eastward and is due to the friction on the tyres exerted by the road, more than mv/2, eastward exerted due to the engine and overcomes the friction of the road., mv/2, exerted by the engine .

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A car of mass m starts from rest and acquires a velocity along east v = vî (v>0) in two seconds. Assuming the car moves with uniform acceleration, the force exerted on the car is

Options :

mv/2, eastward and is exerted by the car engine.
mv/2, eastward and is due to the friction on the tyres exerted by the road
more than mv/2, eastward exerted due to the engine and overcomes the friction of the road.
mv/2, exerted by the engine .

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