# What force must each engine exert backwards?

### Question Description

A freight train consists of two 8.3 • 104 kg engines and 45 cars with average masses of 5.75 • 104 kg each. *m* = 8.3 • 104 kg *m2* = 5.75 • 104 kg *f* = 7.3 • 105 N

What force must each engine exert backwards to accelerate the train 5.00 • 10–2 m/s2