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Angular Motion - Power and Torque

Angular velocity and acceleration - power and torque

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Power of a Body in Angular Motion

The power of a rotating body can be expressed as

P = T ω         (1)

where

P = power (W)

T = torque or moment (Nm)

ω = angular velocity (rad/s)

  • 1 rad = 360o / 2 π =~ 57.29578o

Torque of a Body in Angular Motion

T = J α          (2)

where

J = polar moment of inertia (kg m2, lbm ft2)

α = angular acceleration (rad/s2)

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Related Topics

  • Dynamics - Dynamics Motion - velocity and acceleration

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Related Documents

  • Flywheel Kinetic Energy - Kinetic energy and moment of inertia of a flywheel
  • Formulas of Motion - Linear and angular acceleration, velocity and displacement
  • Kinetic Energy - The kinetic energy of a rigid body is the energy possessed by the body motion
  • Radians - The radian - a unit of angle measure - angular velocity

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