When cycling on a horizontal road at a speed of 9 km / h, a power of 30 watts is generated. Find the driving force.

univerkov | April 27, 2021 | education

Given: V (constant speed of the cyclist in question) = 9 km / h (in SI V = 2.5 m / s); N (power developed by the cyclist) = 30 W.

The driving force of the cyclist in question is calculated by the formula: F = N / V.

Let’s calculate: F = 30 / 2.5 = 12 N.

Answer: The driving force is 12 N.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.