Anna is sitting in a moving cart and throws a ball straight up. theoretically, the ball should land in the cart, but it lands on the ground a little before the cart. what is the reason for the difference in the ranges of the ball and the cart? there is no external horizontal force acting on the ball or the cart. there is no external vertical force acting on the ball or the cart. there is a difference in the external horizontal forces acting on the ball and the cart. there is a difference in the external vertical forces acting on the ball and the cart.

There is a difference in the external horizontal forces acting on the ball and the cart.

Explanation:

When ball is thrown upwards from a moving cart then in that case the acceleration of the ball in vertical direction is due to gravity so it will raised up and again come back to ground.

While during this vertical motion it will also move horizontally with initial speed of cart at which it was moving at the moment when ball is thrown.

Now if ball is not landed on the cart again then we can say that both cart and ball are not accelerated with same acceleration in horizontal direction due to which they both will cover different distances in horizontal direction for the same time interval

So we can say that correct answer will be

There is a difference in the external horizontal forces acting on the ball and the cart.

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