Home Back

Force Formula Angular Velocity

Force Formula:

\[ F = m \omega^2 r \]

kg
rad/s
m

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Force Formula with Angular Velocity?

Definition: This formula calculates the centripetal force required to keep an object moving in a circular path at constant angular velocity.

Purpose: It's essential for understanding circular motion in physics, engineering applications like rotating machinery, and orbital mechanics.

2. How Does the Formula Work?

The formula is:

\[ F = m \omega^2 r \]

Where:

Explanation: The force needed increases with mass, with the square of angular velocity, and linearly with radius.

3. Importance of the Force Calculation

Details: Proper force calculation ensures safety in rotating systems, helps design mechanical components, and explains natural phenomena like planetary orbits.

4. Using the Calculator

Tips: Enter the mass in kg, angular velocity in rad/s, and radius in m. All values must be positive.

5. Frequently Asked Questions (FAQ)

Q1: How is angular velocity different from regular velocity?
A: Angular velocity (ω) measures rotational speed (angle per time), while linear velocity (v) measures distance per time (v = ωr).

Q2: What happens if the force is insufficient?
A: The object will move outward (centrifugal effect) and may leave its circular path.

Q3: Can this formula be used for planetary motion?
A: Yes, it's fundamental to orbital mechanics, where gravity provides the centripetal force.

Q4: How do I convert RPM to rad/s?
A: Multiply RPM by 2π/60 (1 RPM = 0.10472 rad/s).

Q5: Why is the force proportional to ω²?
A: Because both velocity (linear) and its directional change contribute to the acceleration.

Force Formula Angular Velocity© - All Rights Reserved 2025