Question

What force is necessary to accelerate a 2500 kg care from rest to 20 m/s over 10 seconds?

Answer 1

force = mass x acceleration
force = 2500kg x (20m/s / 10m/s)
force = 2500kg x 2m/s^2
force = 5000kg m/s^2 = 5kN

i hope this is right (^^)