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Torque Inertia Angular Acceleration Calculator

Torque Equation:

\[ \tau = I \alpha \]

N m
kg m²
rad/s²

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1. What is the Torque Equation?

The torque equation (τ = Iα) describes the relationship between torque, moment of inertia, and angular acceleration in rotational dynamics. It is the rotational equivalent of Newton's second law of motion (F = ma).

2. How Does the Calculator Work?

The calculator uses the torque equation:

\[ \tau = I \alpha \]

Where:

Explanation: The equation shows that the torque applied to an object is equal to the product of its moment of inertia and its angular acceleration.

3. Importance of Torque Calculation

Details: Torque calculations are essential in mechanical engineering, robotics, automotive design, and physics to determine rotational forces, design rotating systems, and analyze rotational motion.

4. Using the Calculator

Tips: Enter any two known values to calculate the third unknown value. All values must be positive numbers. The calculator will automatically compute the missing parameter.

5. Frequently Asked Questions (FAQ)

Q1: What is torque?
A: Torque is a measure of the force that can cause an object to rotate about an axis. It is the rotational equivalent of linear force.

Q2: What is moment of inertia?
A: Moment of inertia is a measure of an object's resistance to changes in its rotation rate. It depends on the mass distribution relative to the axis of rotation.

Q3: What is angular acceleration?
A: Angular acceleration is the rate of change of angular velocity over time, measured in radians per second squared.

Q4: What are typical units for these measurements?
A: Torque is measured in Newton-meters (N m), moment of inertia in kilogram meters squared (kg m²), and angular acceleration in radians per second squared (rad/s²).

Q5: Where is this equation commonly applied?
A: This equation is used in designing engines, motors, gears, flywheels, and any system involving rotational motion.

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