Equation Sheet for Engineering Statics



Summary of equations

Moment of a force: [pic]

Scalar projection of A along e: [pic]

Equivalent systems: Two systems are equivalent if the resultant force for the systems is equal and if the resultant moment for the systems is equal

Equilibrium for a particle: [pic]

Equilibrium for a rigid body: [pic]

Centroid of a line:[pic]

 

Composite bodies: [pic]

 

Centroid of an area: [pic]

 

Composite bodies: [pic]

 

Centroid of a volume: [pic]

 

Composite bodies: [pic]

 

Theorems of Pappus:

Surface of revolution:[pic]

Volume of revolution:[pic]

 

Static friction: [pic], Pending Motion: [pic]

Kinetic friction: [pic]

Belt friction: [pic]

Area moment of inertia: [pic], [pic], [pic]

Mass moment of Inertia: [pic], [pic]

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