Sand is falling on a flat car being pulled with constant speed. The rate of mass
falling on the cart is constant. Then the horizontal component of force exerted
by the falling sand on the cart (sand particles sticks to the cart)
(A) increases
(C) remains constant
(B) decreases
(D) increases and then decreases
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Answer:
may be option c........
bizzardgames21:
i also think so but not certain about it
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