Posted by sarah on Friday, November 9, 2012 at 7:36pm.
hhhh?
a) 34.5/(L/2) x 1.17= weight of second child (kg)
b) weight of second child+34.5 kg+weight of plank (given in part B in the practice it)multiplied by 9.8= N
Related Questions
physics - A fulcrum is placed under the center of a uniform 4.00m long, 3.00kg ...
Physics - A 450.8 N child and a 101.0 N child sit on either end of a 2.2 m long ...
Physics - A 450.8 N child and a 101.0 N child sit on either end of a 2.2 m long ...
physics - Two children seat themselves on a seesaw, the one on the left has a ...
Physics?? - Two children sit 2.60 m apart on a very low-mass horizontal seesaw ...
physics - A boy of mass 23 kg sits on a seesaw 1.5 m from the axis of rotation. ...
Physics - A child having a mass of 45 kg sits 0.5 m from the center of a merry-...
Physics please help!! - A school yard teeter totter with a total length of 5.46 ...
Physics - A 437.7 N child and a 237.1 N child sit on either end of a 2.5 meter ...
Algebra - Two children balance on opposite ends of a seesaw. One child weighs 45...
For Further Reading