Two Children (A and B) of equal weight are sitting on the seesaw holding rocks o

Question

Two Children (A and B) of equal weight are sitting on the seesaw holding rocks of equal weight so that the seesaw is balanced. Which of the following events would lower child B? B drops her rock, but A does not A and B throw their rocks at each other. A holds her rock over her head and B throws her rock at A A drops her rock, but B throws hers straight up. Both drop their rocks at exactly the same moment. Place explain why or why not the situation is or is not the best choice write little detail for me please.:)

Explanation / Answer

(d) will lower child B force on B should be greater than A for B to lower. (a) gravitational force on A is greater since he is holding rock (b) grav force on both will be equal (c)gravitational force on A is greater since he is holding rock (e)grav force on both will be equal In case of d, as B throws rock straight up, so the rock exerts a reactive force in downward direction. so force on B wil be greater and he will come down

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