w(0.9) = 2F(1.5) I'm calling F for each hand and there are two of them
w = mg = 50(9.8) = 490
490(0.9) = 3F
F = 147 N for each hand
What force should the woman in Figure 9.45 exert on the floor
with each hand to do a push-up? Assume that she moves up at a
constant speed.
1 answer