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naman.mittal.714

a car accelerates on a horizontal road due to the force exerted by : (a) engine of car (b) driver of car (c) earth (D) road

  • one year ago
  • one year ago

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  1. akash123
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    road

    • one year ago
  2. naman.mittal.714
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    how?

    • one year ago
  3. amishra
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    Have you framed the question correctly?

    • one year ago
  4. study01234
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    road its a frictional force

    • one year ago
  5. Yahoo!
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    There can be multiple answers for this question

    • one year ago
  6. Pallavi06
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    its due to combination of force exerted by engine of the car and reaction force exerted by road...

    • one year ago
  7. akash123
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    engine exerts force on the road not on the car..

    • one year ago
  8. Pallavi06
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    so u mean to say that reaction force wont count ?? but it should count ....

    • one year ago
  9. akash123
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    Reaction force exerted by what? yes..car is accelerating or moving by the reaction force exerted by the road on the car only..

    • one year ago
  10. akash123
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    basically its the engine that does all the work even though indirectly..the engine transmits power to the wheels through the drive line...now its the wheels that exerts force on the road and reaction force acts on the wheel and since the wheel is connected to the car, the whole system moves...

    • one year ago
  11. akash123
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    suppose engine is exerting force on the car...engine is also a part of the car...then by newton's 3rd law..car(excluding engine) will also exert force on the engine..just take an analogy|dw:1347165086979:dw|

    • one year ago
  12. akash123
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    this car(in the above figure) is without any engine..and magnet is hanging in front of the car..will the car move or accelerate?

    • one year ago
  13. akash123
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    suppose engine is exerting force on the car...engine is also a part of the car...then by newton's 3rd law..car(excluding engine) will also exert force on the engine...then net force on the car(with engine) is zero!!!|dw:1347165421811:dw|

    • one year ago
  14. Pallavi06
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    thanks a lot akash..

    • one year ago
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