TP 5.1

Given:

m = 5.00 kg

w = 40.0 N, downward

F_A = 46.2 N, upward

Find: a - ?

w = - (40.0 N) y

F_A = (46.2 N) y

F_net = w + F_A = (46.2 N)y + (- 40.0 N) y = (6.20 N) y

F_net = m a

a = F_net /m = (6.20 N) y /(5.00 kg) = (1.24 m/s²) y, or upward