1. The problem statement, all variables and given/known data How much tension must a rope withstand if it is used to accelerate a 1400 kg car vertically upward at 0.50 m/s2? 2. Relevant equations Fg=mg F=ma 3. The attempt at a solution So far i know Fg=13720 and the Fnet is 700 so i'm not sure but do i subtract 700 from 13720?