Question

 A cyclist is pedalling his cycle at the constant velocity of 3 m/s. He applies brakes and stops the cycle in 6 s. what is average force of brake if mass of cycle and cyclist together is 80 kg.
plz Solve Fast​

Answer 1

Answer:

-40 kg m/s

Explanation:

given,

u=3m/s

v=0m/s (because cycle stops)

m=80kg

as we know that a= v-u/t

=0-3/6

= -1/2

by Newton's second law of motion

F = m×a

=80× -1/2

= -40 kg m/s.