Question

If a 1000 kg car moves 250 meters in 2.5 seconds, what is the car's force?

Answer 1

Force = 80 kN

Step-by-step explanation:

Given:

m = 1000 кг

S = 250 m

t = 2,5 с

__________

F -?

S = a·t² / 2 ⇒ a = 2·S / t²

F =m·a = 2·m·S / t²

F = 2·1000·250 / 2,5² = 80 000 N