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21 July, 17:26

g A rock is suspended from a string, and it accelerates downward. Which one of the following statements is correct? Group of answer choices The magnitude of the tension in the string is greater than the magnitude of the weight of the rock. The magnitude of the tension in the string is independent of the magnitude of the rock's acceleration ... The magnitude of the tension in the string is equal to the magnitude of the weight of the rock. The string pushes downward on the rock. The magnitude of the tension in the string is less than the magnitude of the weight of the rock.

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  1. 21 July, 18:14
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    Answer:Magnitude of tension in the string is less than the weight of rock

    Explanation:

    Given

    Rock is suspended from the string and it accelerates downward

    Let T be the Tension in the string

    thus

    mg-T=ma

    where a = acceleration of rock

    T=mg-ma

    T=m (g-a)

    Thus Tension in the string is less than the weight of rock
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