To calculate angular acceleration, divide torque (T) by mass (m) and radius squared (r^2). The Torque to Angular Acceleration Calculator computes angular acceleration produced by a given torque applied to a rotating object.
This is essential in mechanics and physics for analyzing rotational motion in systems such as wheels, gears, or engines. Angular acceleration is directly proportional to torque and inversely proportional to the mass and radius squared of the object.
Formula:
Contents
Variable | Description | Unit |
---|---|---|
AA | Angular acceleration | Radians/second² |
T | Torque | Newton-meters (N·m) |
m | Mass of the object | Kilograms (kg) |
r | Radius of rotation | Meters (m) |
Solved Calculations:
Example 1: Calculating Angular Acceleration for T = 50 N·m, m = 10 kg, r = 2 m
Step | Value | Explanation |
---|---|---|
Torque (T) | 50 N·m | Given applied torque |
Mass (m) | 10 kg | Object’s mass |
Radius (r) | 2 m | Distance from the axis of rotation |
Divide T by m | Calculate torque per unit mass | |
Divide result by | Account for radius squared | |
Result | 1.25 rad/s² | Angular acceleration |
Example 2: Calculating Angular Acceleration for T = 100 N·m, m = 20 kg, r = 3 m
Step | Value | Explanation |
---|---|---|
Torque (T) | 100 N·m | Given applied torque |
Mass (m) | 20 kg | Object’s mass |
Radius (r) | 3 m | Distance from the axis of rotation |
Divide T by m | Calculate torque per unit mass | |
Divide result by | Account for radius squared | |
Result | 0.556 rad/s² | Angular acceleration |