How do flexible bearings or pads help buildings during an earthquake?

They absorb the movement, keeping the structure steady.

What causes an earthquake?

A sudden release of energy from strained rocks, causing ground shaking.

Which of the following is an example of an external force acting on a structure?

Wind pushing parts of the house in different directions.

Which of the following is an example of an internal force acting on a structure?

Compression of the support beams from the weight of an upper floor.

Why is protective equipment important in sports?

It protects the body from external forces that could cause injury.

What is the role of an arch in a structure?

To support weight by being curved and symmetrical.

What is an example of an external force?

The wind pushing against a tall building.

What is the function of a seismograph?

It measures the movement of the ground during an earthquake.

What does tension mean?

A force that pulls or stretches an object.

How do civil engineers help protect buildings during earthquakes?

Designing buildings 2 be strong enough to handle the impact of earthquakes.

What is the purpose of a beam in a structure?

To support weight from above and from the sides.

A force is an interaction that causes a change in an object.

What is the difference between a static load and a dynamic load?

A static load doesn’t change, while a dynamic load changes.

What is the role of a truss in a structure?

It is a frame made of struts and ties that helps support the structure.

What is the purpose of a column in a structure?

To support arches and other parts of the structure.

Why is the triangle considered the strongest shape?

Triangles have fixed angles and distribute force evenly.

What is an internal force?

A force caused by parts of a structure acting on each other.

What are the 4 types of internal forces?

Tension, compression, shear, and torsion.

What is an external force?

A force that acts on a structure from the outside.

What is a natural disaster?

A natural event that causes significant damage to the environment.

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Structures

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Questions 21

Answers

1
How do flexible bearings or pads help buildings during an earthquake?
They make buildings heavier to prevent movement.
They make buildings immune to earthquakes.
They absorb the movement, keeping the structure steady.
They allow buildings to sink below the ground to keep it steady.
2
What causes an earthquake?
A volcanic eruption.
A shift in the ocean tides.
A change in the weather patterns.
A sudden release of energy from strained rocks, causing ground shaking.
3
Which of the following is an example of an external force acting on a structure?
The force of gravity pulling it downward.
Wind pushing parts of the house in different directions.
Furniture being added and removed to different rooms.
People walking on floors.
4
Which of the following is an example of an internal force acting on a structure?
Rainwater collecting on the roof of a building.
The building shaking during an earthquake.
Compression of the support beams from the weight of an upper floor.
Wind pushing against the side of a building.
5
Why is protective equipment important in sports?
It protects the body from external forces that could cause injury.
It prevents external forces from affecting the athlete’s body.
It helps the athlete apply force to objects more effectively.
It helps the athlete use their muscles more efficiently.
6
What is the role of an arch in a structure?
To distribute heat evenly across the structure.
To provide extra space inside the building.
To help the structure move during an earthquake.
To support weight by being curved and symmetrical.
7
What is an example of an external force?
The strength of the materials used to build the structure.
The wind pushing against a tall building.
The heat from the sun warming the building.
The weight of the building's walls and roof.
8
What is the function of a seismograph?
It measures the movement of the ground during an earthquake.
It predicts the weather in earthquake-prone areas.
It measures the amount of rainfall during an earthquake.
It determines the strength of an earthquake after it has happened.
9
What does tension mean?
A force that causes an object to bend.
A force that twists an object.
A force that pushes or compresses an object.
A force that pulls or stretches an object.
10
How do civil engineers help protect buildings during earthquakes?
Designing buildings 2 be strong enough to handle the impact of earthquakes.
By placing buildings closer to the ground to avoid shaking.
By using materials like brick and stone to strengthen structures.
By making buildings heavier to resist shaking.
11
What is the purpose of a beam in a structure?
To provide extra height to a building.
To support weight from above and from the sides.
To reduce the weight of the structure.
To act as a decorative feature in the design.
12
What is a force?
A material used to build strong structures.
A tool used to measure the weight of an object.
A heavy object placed on top of a structure.
A force is an interaction that causes a change in an object.
13
What is the difference between a static load and a dynamic load?
A static load moves, while a dynamic load is constant.
A static load is caused by moving objects, while dynamic is from weight.
A static load doesn’t change, while a dynamic load changes.
A static load is caused by motion, while a dynamic load is not.
14
What is the role of a truss in a structure?
It allows the structure to expand and contract with temperature changes.
It helps prevent the structure from bending or twisting.
It is a frame made of struts and ties that helps support the structure.
It adds extra weight to the structure for stability.
15
What is the purpose of a column in a structure?
To carry the weight of the roof only.
To support arches and other parts of the structure.
To decorate the exterior of the building.
To act as a foundation for a structure.
16
Why is the triangle considered the strongest shape?
Triangles have fixed angles and distribute force evenly.
Triangles are the easiest shape to build with.
Triangles are the lightest shape, so they don’t need much support.
Triangles have curved edges that make them more stable.
17
What is an internal force?
A force made by weather like rain or snow.
A force caused by parts of a structure acting on each other.
A force that comes from outside and pushes against a structure.
A force that only happens during an earthquake.
18
What are the 4 types of internal forces?
Twisting, shaking, sliding, and falling.
Pushing, pulling, jumping, and bending.
Tension, compression, shear, and torsion.
Bending, freezing, melting, and lifting.
19
What is an external force?
A force that disappears once a structure is built.
A force created by the materials inside a structure.
A force that acts on a structure from the outside.
A force that only affects objects underwater.
20
Which force acts on a material by twisting its ends in opposite directions?
Compression
Torsion
Shearing
Tension
21
What is a natural disaster?
A minor event that does not affect human life.
A natural event that causes significant damage to the environment.
A man-made event that causes damage to structures.
A disaster caused by technological failures.

Structures Flashcards | StudBud