Is the Formula P=Torque(angular velocity) Valid for Measuring Bicycle Power?

Thread starter Cyril Marty
Start date Feb 15, 2015
Tags

Bicycle Input Power

In summary, input power to a bicycle refers to the energy or force needed to pedal and move the bicycle forward. It is measured in watts and can be affected by factors such as the rider's weight, terrain, and bicycle components. Input power can be increased by increasing force or speed, reducing resistance, and improving component efficiency. Understanding input power is important for designing and optimizing bicycles and improving cyclist performance.

Feb 15, 2015

Cyril Marty

hi PF. i just want to ask if the formula P=Torque(angular velocity) is valid? saw this in wikipedia. if not, any idea how to measure the power exerted to a bicycle? thanks

Physics news on Phys.org

Feb 15, 2015

zoki85

Yes, the mechanical power is P=M⋅ω

Related to Is the Formula P=Torque(angular velocity) Valid for Measuring Bicycle Power?

What is input power to a bicycle?

Input power to a bicycle refers to the amount of energy or force that is required for a person to pedal and move the bicycle forward.

How is input power measured?

Input power is typically measured in watts (W) and can be calculated by multiplying the force applied to the pedals (in newtons) by the speed at which the pedals are turning (in radians per second).

What factors affect the input power to a bicycle?

The input power to a bicycle is affected by several factors, including the rider's weight, the terrain, the type of bicycle, and the condition of the bicycle's components (such as tires and gears).

How can input power be increased?

Input power can be increased by increasing the force applied to the pedals, increasing the speed at which the pedals are turned, or reducing the resistance from factors such as weight and terrain. Improving the efficiency of the bicycle's components, such as using smoother tires or well-lubricated gears, can also increase input power.

Why is understanding input power important?

Understanding input power is important for designing and optimizing bicycles for different purposes, such as for speed or endurance. It can also help cyclists improve their efficiency and performance by identifying areas for improvement in their pedaling technique or equipment.