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Which situation represents a person in equilibrium?
(1) a child gaining speed while sliding down a slide
(2) a woman accelerating upward in an elevator
(3) a man standing still on a bathroom scale
(4) a teenager driving around a corner in his car



Answer :

sbcardinals
(3) a man standing still on a bathroom scale because there the only force acting on the man is the floor/scale giving the same amount of force that he weights. In all the other options, the person is moving and other forces are acting on the people.

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