A truck with a ball free to roll around in the back takes a a sharp turn to the right. Which of the following forces cause the ball to move to the left side of the truck? gravity normal force centripetal force the absence of a force

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!