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    Question

    A horse cannot pull a cart on a frictionless surface

    because:
    A There is no reaction force from the ground Correct Answer Incorrect Answer
    B The mass of the cart is too high Correct Answer Incorrect Answer
    C The cart’s wheels are locked Correct Answer Incorrect Answer
    D The horse is not strong enough Correct Answer Incorrect Answer

    Solution

    On a frictionless surface, the horse can't push against the ground to get a reaction force that would move the system.

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