Question

A bicycle with a force of 60 N. If the brake pads push on the wheel with a force of 300 N, what is the mechanical advantage of this bike's brake system?

A. 5
B. 4
C. 3
D. 2

Answer 1

The mechanical advantage of this bike's brake system is 5.

Step-by-step explanation:

The mechanical advantage of a brake system can be calculated using the formula:

Mechanical Advantage = Force Output / Force Input

In this case, the force output is the force exerted on the wheel by the brake pads, which is given as 300 N. The force input is the force applied by the person on the brake pedal, which is given as 60 N.

Therefore, the mechanical advantage of this bike's brake system is:

Mechanical Advantage = 300 N / 60 N = 5

So, the correct answer is Option A: 5.