Question

A truck moving with a speed of 54 km/h
Truck driver applied brakes suddenly and
brings the truck to rest in 5 s, then the
average retarding force on truck, if mass of
the truck and driver is 400 kg, will be
(a) 1200 N
(b) 600 N
1) BOON
(d) 500 N​

Answer 1

Answer:

1200N is the answer which is option a

Answer 2

Step-by-step explanation:

according according to Newton 2nd law of motion

force=rate of charge in momentum

f=m(v_u)