A schoolyard teeter-totter with a total length of 6.3 m and a mass of 41 kg is pivoted at tis center. A 18 kg child sits on one end of the teeter-totter. 1.) Where should a parent push vertically downward with a force of 220 N in order to hold the teeter-totter to level?
x1= m from center

2.)Where should the parent push with a force of 320 N?
x2=m from the center