Question

The picture below shows two girls starting to play on a see-saw. If the girl on the right weighs 300N and is sitting 1 meter from the fulcrum, what information is needed to figure out how far the other girl should sit from the fulcrum. Select one:a. You need to know how much the see-saw weighs. b. You need to know the size of the fulcrum.c. You need to know the weight of the girl on the left.d. You need to know the effort displacement.

Answer 1

The weight of the girl is required sitting on the left as force can be calculated from it.

Thus, option C is correct.