Question

A car of 700 kg is moving with a constant velocity of 50 m/s for 5 s. Force acting on the car in this period is

(a) 70 N (b) 7000 N (c) 500 N (d) Zero​

Answer 1

Answer:

(b) 7000N

Explanation:

a= v/t

a= 50/5= 10 m/s2

F=ma

F=700kg x 10 m/s2

F= 7000N