a. boy. of. mass. 40kg sits. at. point of 2 .0metres from. the pivot. of a sea saw. find the weight of a girl. who can balance. the. the sea. saw by sitting. at a. distance of 3.2metres from the pivot(take. g=10n/kg-1)

1 answer

weight * distance = weight * distance

400N * 2.0m = w * 3.2m