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Rotational Motion Calculator

Calculate angular velocity, angular acceleration, torque, moment of inertia, and rotational kinetic energy. Physics calculator for mechanics, engineering, and dynamics students. Supports flywheels, gears, pulleys, and rotating body calculations.

Moment of Inertia & Rotational Energy

I = mr², KE = ½Iω², τ = Iα

Variables:

  • IMoment of inertia (kg·m²)
    Moment of inertia (kg·m²)
  • mMass (kg)
    Mass (kg)
  • rRadius (m)
    Radius (m)
  • ωAngular velocity (rad/s)
    Angular velocity (rad/s)
  • αAngular acceleration (rad/s²)
    Angular acceleration (rad/s²)

How to Use

  1. 1

    Select Mode

    Select perhitungan (Momen, Energi, or Torsi).

  2. 2

    Input Value

    Enter nilai yang diperlukan.

  3. 3

    Calculate

    Dapatkan hasil perhitungan.

Examples

Momen Inersia Titik

Problem:

m=2kg, r=0.5m. Cari I?

Solution:
  1. 1.I = 2 × 0.5²
  2. 2.I = 0.5 kg·m²
Result:I = 0.5 kg·m²

Momen inersia benda titik is 0.5 kg·m².

Frequently Asked Questions

What is momen inersia?
Ukuran kelembaman benda terhadap perubahan gerak rotasi.
Satuan ω?
Rad/second (rad/s), 1 putaran penuh = 2π rad.

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References