Question

A cycle is fitted with small brakes and another is fitted with very big brakes. The one which is more effective is A small brakes B big brakes с both are equally effective D None​

Answer 1

Answer:

c may be

Explanation:

I guess it's c option

Answer 2

Large brake on a bicycle wheel is not more effective than a small one the reason behind it,  the force of friction is independent of the surface area of contact. However, chances of brake decreases when area of contact is larger.

so the option (c) is correct answer