Forces and Stresses

What is the definition of strength?

• The force per unit area

• The ability to withstand forces

• The application of force

• The change in shape of a material

What is the process of strengthening materials by building up layers?

• Lamination

• Interfacing

• Webbing

• Bending

What enhancement involves bending to increase rigidity and strength against compression?

• Lamination

• Interfacing

• Webbing

• Bending

Which force is required to stretch an object?

• Compression

• Tension

• Shear

• Bending

Which force is involved when an object is squeezed?

• Compression

• Tension

• Shear

• Bending

What does bending force do to an object?

• Stretches it

• Compresses it

• Changes its shape

• Moves it

What is the process of gluing together thin sheets to make plywood called?

• Lamination

• Compression

• Tension

• Shear

Which property of plywood makes it resistant to cracking, shrinkage, twisting, and warping?

• Flexibility

• Strength

• Water resistance

• Cross-graining

What is the primary material used in the production of plywood?

• Plastic

• Wood

• Metal

• Concrete

What is the effect of shear force on an object?

• Stretches it

• Compresses it

• Changes its shape

• Moves it