Four Bar Mechanism

Consider the Fig 4.5 that shows a four bar mechanism,

Here,

Velocity at point B, V_B = ₁. AB = ₀. BO

Or,

₀ = ₁. AB/ BO

Velocity at point C, V_C = ₂. CD = ₀. CO

Or,

₀ = ₂. CD/ CO

Using the above two equations, we get the following ratio-

₁/ ₂ = CD/ AB . BO/ CO

Links of Previous Main Topic:-

• Mass moment of inertia introduction
• Work done by force
• Kinematics of particles
• Position vector velocity and acceleration
• Plane kinematics of rigid bodies introduction
• Combined motion of translation and rotation
• Instantaneous centre of rotation method

Links of Next Mechanical Engineering Topics:-

• Rectilinear motion in kinetics of particles
• Work and energy
• Linear momentum
• Force mass acceleration
• Simple stress introduction