Question

When a boy weighing 30 kgf sits at one end of a 6 m long see-saw, it gets depressed at this end. How can it be brought to the horizontal position by a man weighing 45 kgf ?
choose
if the man sits at a distance 2 m from the center on the same side to the boy.

if the man sits at a distance 2 m from the center on the side opposite to the boy,

if the man sits at a distance 4 m from the center on the side opposite to the boy

if the man sits at a distance 3 m from the center on the side opposite to the boy

Answer 1

Explanation:

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