Question

A bullet train is moving with velocity 180km/h and it takes 5 seconds to stop after brakes applied find the force exerted by brakes on the wheel if mass is 2000 kg.

Answer 1

HEYA!!!


HERE IS YOUR ANSWER,


=> Speed of train = 180 km/hr = 50 m/s.

=> Time taken to stop the train = 5 sec.

=> Total mass = 2000 kg.

=> Retardation = (Speed)/(time)

=> 50/5

=> 10 m/s²

Now,

=> F = m × a

=> F = 2000 × 10

=> F = 20,000 N.


HOPE IT HELPS YOU,
THANK YOU.☺️

Answer 2

hence velocity that is V is equal to 180 km per hour

so the time would be 5 seconds

hence force is equal to mass into acceleration

and the acceleration is not given to us which is also becomes retardation after applying brakes
retardation= speed÷time
=50÷5
10


F=MA

SO,2000*10

20000

HOPE IT HELPS U PLZ MARK AS BRAINLIEST