After a day of testing race cars, you decide to take your own 1570 kg car onto the test track. While moving down the track at 10.0 m/s, you uniformly accelerate to 34.0 m/s in 10 s. What is the average net force that you have applied to the car during the 10 s interval?

Answer 1

a = (V-Vo)/t = (34-10)/10 = 2.4 m/s^2.

Fn = m*a = 1570 * 2.4 = 3768 N.