Question

A parent and child are at opposite ends of a playground see-saw. The parent weighs 750 N and the child weighs 250 N. The child sits 2.4 m from the pivot. Calculate the distance the parent must sit from the pivot for the see-saw to be balanced.

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

..parent weighs = 750 N

..CHILD WEIGHS =250N

CHILD SITS =2.4 m from the pivot

child's moment=force * distance

= 150N*2.4m =600 Nm

parent moment = child moment

rearrange - d=M/F

d=600Nm/750N

d=0.8 m