05.10: A homeowner pushes a lawn mower across a horizont
zt:kxc8g /3;lgb u.kial patch of grass with a constant speed by applying a force P. The arrows in the dia
tx 8u;izl kcb/:.k3 gggram correctly indicate the directions but not necessarily the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force magnitudes, W, f, N, P is CORRECT?