A bag of marbles is hanging motionless on a spring scale. What prevents the bag from falling?​

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A bag of marbles is hanging motionless on a spring scale. What prevents the bag from falling?​

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Gerda 5 years 2021-08-22T17:20:12+00:00 1 Answers 170 views 1

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  1. Maris
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    2021-08-22T17:21:32+00:00
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    Answer:

    The vector sum of all forces acting on it is zero, its at equilibrium.

    Explanation:

    The bag of marbles hanging on a spring scale applies its weight downwards, which was counterbalanced by the reaction from the spring scale (obeying the Newton’s third law of motion). And since no external forces are applied to the system, thus the equilibrium of the system.

    If the weight of the bag is greater than the reaction from the spring scale, the scale breaks and the system would not be balanced.

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