Let us consider moment of couple be M and it can rotate a body with an angle ,

Then,

Work done can be given by,

du = M d

Where,

is in radians

Links of Previous Main Topic:-

• Introduction concept of equilibrium of rigid body
• Friction introduction
• Introduction about distributed forces
• Area moments of inertia in rectangular and polar coordinates
• Mass moment of inertia introduction
• Work done by force
• Sign convention of mechanical work

Links of Next Mechanical Engineering Topics:-

• Virtual work
• System of connected rigid bodies
• Kinematics of particles
• Position vector velocity and acceleration
• Plane kinematics of rigid bodies introduction
• Combined motion of translation and rotation

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