There are few specific equations that need to be considered:

∑ F̅ = 0

Here in this equilibrium state, the rigid body will have no effects with external forces.

∑ F̅_x= 0

∑ F̅_y = 0

∑ F̅_z= 0

In these three equations there will be no moment as the result out of any direction x, y or z.

Links of Previous Main Topic:-

• Introduction to statics
• Introduction to vector algebra
• Introduction concept of equilibrium of rigid body
• Equilibrium in two dimensions

Links of Next Mechanical Engineering Topics:-

• Analysis of structure
• Introduction concept of equilibrium of rigid body
• Friction introduction
• Introduction about distributed forces

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