Ch 11: Stability & Strength

The ability to keep or regain balance is called:

• Force

• Structure

• Center of Gravity

• Stability

Every structure is designed to be stable.

• False

• True

The spot where an objects mass is concentrated is called:

• Force

• Structure

• Center of Gravity

• Stability

The Center of Gravity is located _________ an object

• on top of

• inside of

• underneath

• at the edge of

The Center of Gravity _____ (moves/stays) as a structure changes shape.

PICK 2: What are the 2 Conditions for greatest stability

• Center of gravity is next to the ground.

• Center of gravity is above the main support.

• Center of gravity close to the ground.

• Center of gravity is far away from the main support.

Because of the conditions for stability, which is more stable: Highbush or the CN Tower?

• Highbush

• CN Tower

A beam is a _________ support

• Verticle

• Diagonal

• Horizontal

• Directional

Trusses use this shape to strengthen a structure.

• Square

• Triangle

• Parallelogram

• Trapezoid

• Hexagon

Arches transfer this force down and away from the Keystone.

• Gravity

• Torsion

• Tension

• Compression