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Study Guide for Exam 1
This guide is not providing “answers” for the conceptual questions. It is a list of topical concepts
and their application you should be familiar with. It is an aid to help prepare for the mid-term exam.
Covers material of Lectures 1, 2, 3, 4, 5, & 6
Statics & Mechanics
Vectors and scalars
Parallelogram law
Tip-to-tail method
Internal vs. external forces
Tension and compression
Resultant of a force
Component of a force
Moment of a force
Moment of a distributed load
Moment Couple
Equivalent Force Systems
Concurrent vs non-concurrent force systems
Equilibrium
Newton’s First Law
Direction and type of force in a cable with
relation to geometry
Free Body Diagram
Reactions at a support and relationship to motion
prevented
Statically Determinate vs. Indeterminate
Two-force bodies and relationship to loads
Three-force bodies
Fixed-end moment reactions
Pin connections
Method of Joints
Method of Sections
Actions vs. reactions
Internal shear, axial force & bending moment
Inflection point on moment diagram
Effect of forces on shear diagram
Effect of moments on moment diagram
Location of zero shear (x) and relation to
maximum moment
Slope relationships with integration
Normal stress (compression & tension)
Shear stress (non beams)
Bearing stress
Bending & shear stress (beams)
Torsional (shear) stress (with respect to shape
and where maximum occurs)
Relation of strain to stress & Modulus of
Elasticity
Brittle, Ductile & Semi-brittle material behavior
Yield strength (or point & proportional limit)
Elastic vs. plastic range
Ultimate strength
Strength vs. stress
Rupture / Fatigue behavior
Creep
Orthotropic vs. Isotropic vs. Anisotropic
materials
Stress concentration
Thermal vs. elastic strains
Geometric constraints
Serviceability
Buckling
Deflections & elongation
Stiffness (relative to EI/L through Δ, or AE/L
through δ)
Superpositioning
Single vs. double shear
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