# Statics

## Loads - force and torque, beams and columns

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### Beams and Columns

Deflection and stress, moment of inertia, section modulus and technical information of beams and columns

### Area Moment of Inertia Converter

Convert Area Moment of Inertia units

### Beam Support Forces Calculator

Calculate beam loads and support forces

### Bollard Force

Bollard rope friction - load and effort force in the rope

### Cable Loads

Force and tension in cables supporting uniformly loads

### Center Mass

Calculate center mass position

### Center of Gravity

Some common bodies and their center of gravity

### Center of Gravity - Center of Buoyancy

Stability - center of gravity and center of buoyancy

### Density, Specific Weight and Specific Gravity

An introduction to density, specific weight and specific gravity - formulas with examples

### Energy Balance and Energy Ratio

Energy balance and energy payback ratio

### Engineering Materials

Typical properties of engineering materials like steel, plastics, ceramics and composites

### Equilibrium

Static equilibrium is achieved when both resultant force and resultant moment equals to zero

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### Fibre-reinforced Polymer Composites

Mechanical properties of fibers used to reinforce polymer composites

### Force

Force - Newton's third law and acceleration

### Force and Tension in a Rope due to Angle

Reduced load capacity in ropes, cables or lines - due to angle

### Hooke's Law

Hooke's law - force, elongation and spring constant

### Levers

Forces with levers

### Mass and Weight

Mass and Weight - the Gravity Force

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### Modulus of Elasticity or Young's Modulus - and Tensile Modulus for common Materials

Young's Modulus - Tensile Modulus or Modulus of Elasticity - for steel, glass, wood and other common materials

### Modulus of Rigidity

Shear Modulus or Modulus of Rigidity is the coefficient of elasticity for a shearing or torsion force

### Moment of Inertia

Moment of Inertia (Mass Moment of Inertia) depends on the mass of the object, its shape and its relative point of rotation - Radius of Gyration

### Moment of Section Conversions

Convert Moment of Section (Inertia) units

### Poisson's Ratios Metals

Some metals and their Poisson's ratios

### Screw Jacks

Screw jacks and effort force

### Soil - Bearing Strength

Allowable load on soil

### Steels - Endurance Limits and Fatigue Stress

Endurance limits and fatigue stress for steels

### Stiffness

Stiffness is resistance to deflection

### Stress

Stress is the applied force on a cross-sectional area

### Stress and Deflections in Beams

Beams and shafts - deflection and stress calculators

### Stress in Thick-Walled Tubes or Cylinders

Radial and tangential stress in thick-walled tubes or cylinders with closed ends - internal and external pressure

### Stress, Strain and Young's Modulus

Stress is force per unit area - strain is the deformation of a solid due to stress

### Stresses in Thin-Walled Tubes or Cylinders

Hoop and longitudinal stresses thin-walled tubes or cylinders

### Thermal Expansion - Stress and Force

Stress and force with restricted thermal expansion

### Torsion of Shafts

Torsion of solid and hollow shafts - Polar Moment of Inertia of an Area

### Vector Addition

Online vector calculator - add vectors with different magnitude and direction

### Wire Rope Slings

Sling angles - and influence on capacity