19. Which of the following situations applies Newton's Third Law of Motion? A. The gun recoils into your shoulder after firing B. Pushing a truck and a car with the same driving force, the car accelerates faster C. A marathon runner is not able to stop himself after crossing the finish line D. The bus driver abruptly brakes, pushing the passengers in the forward direction

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”