## Strength of materials |

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Page 328

The

directed normal to the plane whose stress components are given by the

coordinates of that point. 5. The angle between the

Mohr's circle is ...

The

**radius**of the circle to any point on its circumference represents the axisdirected normal to the plane whose stress components are given by the

coordinates of that point. 5. The angle between the

**radii**to selected points onMohr's circle is ...

Page 330

From the geometry of the circle, we obtain a, = OD = 1 1 + 29 = +40 MPa a2 = OE

= 11 - 29 = -18 MPa The

measured from the

that tan ...

From the geometry of the circle, we obtain a, = OD = 1 1 + 29 = +40 MPa a2 = OE

= 11 - 29 = -18 MPa The

**radius**to D makes a counterclockwise angle 26measured from the

**radius**CA. which denotes the x axis. From the circle, we seethat tan ...

Page 521

A-3

another mathematical expression and appears most frequently in column

formulas.

symbol r and is ...

A-3

**RADIUS**OF GYRATION The term**radius**of gyration is used to describeanother mathematical expression and appears most frequently in column

formulas.

**Radius**of gyration is usually denoted by either the symbol k or thesymbol r and is ...

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### Common terms and phrases

allowable stresses aluminum angle area-moment assumed axes axial load beam in Fig beam loaded beam shown bending bolts cantilever beam caused centroid column components compressive stress Compute the maximum concentrated load connector cross section deformations Determine the maximum diameter elastic curve element end moments equal equivalent Euler's formula factor of safety fibers Figure flange flexure formula free-body diagram Hence Hooke's law horizontal Illustrative Problem kips lb/ft length loaded as shown main plate maximum shearing stress maximum stress method midspan deflection Mohr's circle moments of inertia neutral axis obtain plane plastic positive product of inertia proportional limit radius reaction rectangular resisting resultant rivet rotation segment shaft shear center shear diagram shearing force shown in Fig slope Solution span static steel strain tensile stress thickness three-moment equation torque torsional U.S. Customary Units uniformly distributed load vertical shear weld zero