D&T - Structures

Which of the following is/are a function of structures?

X: Protect something

Y: Support a load

Z: Span between points

• X

• X and Z only

• Y and Z only

• X, Y and Z

Which of the following describes a shear force?

• Carrying a stack of books with two hands.

• Cutting a piece of paper with a scissor

• Kicking a soccer ball with one leg.

• Stretching a rubber band.

Which of the following is an example of a natural frame structure?

• Bridge

• Branches of tree

• Ladder

• Bicycle

Which of the following is an example of a man-made frame structure?

• branches of tree

• bicycle

• spider web

• skeleton

What is the type of force applied?

• Compression force

• Torsion force

• Tension force

• Shear force

Name the force that is being exerted on the avocado by the knife.

• Compression

• Shear

• Tension

• Bending

Identify the force that is applied to the ladder by the worker.

• Shear

• Compression

• Tension

• Bending

Identify the force that is applied to the door knob when opening the door.

• Compression

• Torsion

• Tension

• Bending

You are looking for a material that can be used as a hairband.

Which material property would you place as a higher priority?

• Toughness

• Durability

• Hardness

• Elasticity

• Strength

Looking at a pail, which of the following forms of structural reinforcement strengthens the pail, allowing it to contain water?

• Gussets

• Folds

• Ribs

• Braces

• Laminating