Question

Draw a free body diagram of a 16,000kg bus accelerating at 2 m/s2 with a Ff of 20,000N from a stop sign. Remember Fg=mg and Fnet=ma

Find Fa to the bus from the road

Answer 1

Since$F_{net}=F_a-F_f$ , then $F_a= F_{net}+ F_f=2 \times 16000+20000=52000$ N.