1. Since coefficient of friction between rubber and road is less than the coefficient of friction between steel and road.

    Since coefficient of friction between rubber and road is less than the coefficient of friction between steel and road.

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  2. To decrease the impact of force by increasing the time for which force acts.

    To decrease the impact of force by increasing the time for which force acts.

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  3. The package in the accelerated car (a non inertial frame) experiences a Pseudo force in a direction opposite to that of the motion of the car. The frictional force on the package which acts opposite to this pseudo force is thus in the same direction (forward) as that of the car.

    The package in the accelerated car (a non inertial frame) experiences a Pseudo force in a direction opposite to that of the motion of the car. The frictional force on the package which acts opposite to this pseudo force is thus in the same direction (forward) as that of the car.

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