Atrito de Rolamento
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
rolamento
About this calculator
The rolling friction calculator is an online tool that helps calculate the force of friction acting on a moving object. It uses the formula F = μ_r·N, where F is the force of friction, μ_r is the coefficient of rolling friction, and N is the normal load.
The coefficient of rolling friction is a value that depends on the type of surface and the material of the moving object. It is generally lower than the coefficient of static or kinetic friction, as rolling reduces the friction between the surfaces in contact.
The rolling friction calculator is useful in various situations, such as in the design of machines and vehicles, where it is important to consider the friction forces to ensure the efficiency and safety of the system. Additionally, it can also be used in physics and engineering problems to calculate the force of friction in different situations.
It is important to note that the rolling friction calculator assumes that the moving object is in contact with a flat surface and that the normal load is constant. In real-life situations, there may be variations in the normal load and the contact surface, which can affect the accuracy of the calculation.
Frequently asked questions
What is the coefficient of rolling friction?
The coefficient of rolling friction is a value that depends on the type of surface and the material of the moving object. It is generally lower than the coefficient of static or kinetic friction.
When should I use the rolling friction calculator?
You should use the rolling friction calculator when you need to calculate the force of friction in physics and engineering problems, or in practical situations, such as in the design of machines and vehicles.
What is the normal load?
The normal load is the force that acts perpendicular to the contact surface between the moving object and the surface on which it moves.
Is the rolling friction calculator accurate?
The rolling friction calculator is accurate if the conditions of use are respected, i.e., if the moving object is in contact with a flat surface and the normal load is constant.
Can I use the rolling friction calculator for other types of friction?
No, the rolling friction calculator is specific to the calculation of the force of rolling friction. For other types of friction, such as static or kinetic friction, you will need to use a different calculator.