2.1 Quiz

The geometric center of an area.

• Pinned support

• Scalar

• Vector quantity

• Centroid

The connection points of members of a truss.

• Bolt

• Pinned support

• Fixed support

• Joint

A surface or shape exposed by making a straight cut through something at right angles to the axis.

• cross sectional area

• flange

• centroid

• moment

A support that prevents translation and rotation in a beam.

• Pinned support

• Roller support

• Fixed support

• Joint

A broad ridge or pair of ridges projecting at a right angle from the edge of a structural shape in order to strengthen or stiffen it.

• Gusset

• Flange

• Pinned support

• support ridge

A diagram used to isolate a body from its environment, showing all external forces acting upon it.

• Centroid

• Free body diagram

• Vector

• Scalar

A plate or bracket for strengthening an angle in framework.

• Gusset

• Flange

• Bolt

• Centroid

The absolute value of a number

• Scalar

• Magnitude

• Ratio

• Vector

Slender straight pieces of a truss connected by joints.

• Member

• Flange

• Gusset

• Ridge

The turning effect of a force about a point equal to the magnitude of the force times the perpendicular distance from the point to the line of action from the force.

• Cross section

• Moment of Inertia

• Moment

• Compression force