Respuesta :
If the corner is rounded and is perfectly circular, then the acceleration is centripetal and is always directed toward the center.
For an item to change the direction, it must accelerate. Because of the friction, the automobile receives an angular momentum as it turns the corner.
This creates a centripetal acceleration, which produces the velocity to shift directions.
The momentum is centripetal and would always directed to towards the center if the corner is flattened and completely round.
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