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A box of mass 2 kg is placed on the roof of a car. The box would remain stationary untill the car attains a maximum acceleration. Coefficient of static friction between the box and the roof of the car is 0.2 and g = 10 ms^(-2). This maximum acceleration of the car, for the box to remain stationary, is |
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Answer» `8ms^(-2)` `ma_("MAX")=mu_(s)MG` `a_("max")=mu_(s)g=0.2xx10ms^(-2)=2ms^(-2)` |
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