Understanding Structures and Forces

Which of the following is an example of a solid structure?

• A bridge

• A brick wall

• A tent

• A bicycle frame

What is the primary environmental factor to consider when designing a structure?

• Cost of materials

• Aesthetics

• Impact on local wildlife

• Labour availability

Which of the following best describes a frame structure?

• A solid block of concrete

• A network of beams and columns

• A dome

• A hollow cylinder

Identify the direction of force applied when a person pushes a door open.

• Downward

• Upward

• Horizontal

• Vertical

Which of the following structures is most likely to fail due to lack of symmetry?

• A perfectly balanced seesaw

• A leaning tower

• A symmetrical arch

• A circular dome

What is a common economic factor to consider when building a new community centre?

• The colour of the walls

• The cost of construction

• The type of plants in the garden

• The number of windows

Which of the following is an example of a shell structure?

• A wooden chair

• A cardboard box

• A steel beam

• A glass bottle

What is the point of application of force when a hammer hits a nail?

• The handle of the hammer

• The head of the nail

• The surface of the wood

• The tip of the hammer

How does symmetry contribute to the stability of a structure?

• It makes the structure more colourful

• It ensures even distribution of weight

• It increases the height of the structure

• It reduces the cost of materials

Which factor can cause a bridge to fail?

• Proper maintenance

• Excessive load

• Symmetrical design

• High-quality materials