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WorksheetsSTRUCTURES
Total questions: 42
Worksheet time: 29mins
What of the following structures is an example of a Truss Structure?
What type of structure is showed in this picture?
Frame structure
Suspended structure
Mass structure
Arched structure
A Structure is ....
A unique element that supports a body or an object
A collection of elements arranged in an optimum way to support a body or an object
A collection of elements arranged in a random way to support a body or an object
(a) structures are held in place by cables and suspenders attached to sturdy supports.
Segovia aqueduct is an example of an arched structure.
True
False
Structures that are formed by columns and beams acting as supporting elements are called (a)
What is a force?
Is the ability to withstand external forces without breaking.
The physical demands that a body or object must withstand when a force is applied to it.
An influence that can deform a body or change its movement, or produce motion in a body at rest.
The strength of a material is its ability to withstand external forces without breaking.
TRUE
FALSE
Which picture shows a type of stress called Shear?
When there are forces acting on a body that tend to stretch it, a type of stress called (a) is caused.
What type of stress is showed in this picture?
Compression
Bending
Torsion
Shearing
Shear is a stress caused by a sliding force that pulls in opposite directions and attempts to cut through the object
TRUE
FALSE
What type of stress is caused on the bridge due to the weight of the bus?
Compression
Traction or Tension
Bending
Torsion
The suspenders of Suspended Bridges withstand (a) stresses.
Arched structures support ................................. stresses.
Traction
Bending
Compression
Torsion
Which of the following structures is not an example of a Mass Structure?
The point of a screwdriver is subjected to a .......................... stress.
Torsion
Traction
Compression
Cutting or shearing
The columns of Parthenon of Athens are under ...
Traction stresses
Compression stresses
Shearing stresses
Torsion stresses
The three main conditions for strong structures are:
Strength, stability and centre of gravity
Rigidity, flexibility and elasticity
Rigidity, equilibrium and stablity
Flexibility, equilibrium and stability
If a material does not change shape when force is applied to it, then we say it is rigid.
TRUE
FALSE
When a structure remains stationary even if a force is applied to it, we say this structure is (a)
One way to increase the stability of a structure is by widening the base of the structure.
TRUE
FALSE
The stability of the structure depends on the position of....
The foundation
The pillars and beams
The centre of gravity
The centre of gravity is ...
The point where the weight of the structure is concentrated.
Two points where the weight of the structure is distributed
Neither of previous ones
All expressions are true
A structure must be able to support:
only its own weight
external loads and actions
its own weight and external loads and actions
Trussing is a method to obtain more rigid structures which consists of making triangular structures.
TRUE
FALSE
When we lean on a table, we apply force to it and its foot are subjected to a type of stress called (a)
What type of stresses are subjected the suspenders and the sit of a swing?
Traction and Compression
Torsion and Bending
Traction and Bending
Traction and shear
If someone unlocked a door with a key, the stress that is supporting is...
Compression
Traction
Torsion
Bending
Brick is an example of....
Deformable material
Rigid material
Plastic material
Elastic material
What is the name for a stress caused by a flexing force that attempts to deform?
Tension or traction
Compression
Bending
Cut or shear
A body is in stable equilibrium if... (more than one could be correct)
it moves when a force is applied to it.
it does not move when a force is applied to it.
it does not topple, tip over or collapse when a force is applied to it.
it topple, tip over or collapse when a force is applied to it.
If we make a good foundation for a structure, we will increase...
its rigidity
its elasticity
its stability
Which of the following images belongs to the definition of a particular type of stress:
"stress caused by a pushing force that attempts to squash or shorten"
Tension or traction
Cut or shear
Bending
Compression
The strength of a structure depends on:
The type of forces applied
The shape of the structure
The type of material
All answers are correct
How do we obtain strong structures?
By making them more stable
By locating the centre of gravity at a low point
By making them more rigid
First and second are correct
First and third are correct
If we describe a type of structure as solid, heavy and very sturdy, we are talking about a...
Mass Structure
Frame Structure
Truss Structure
Suspended Structure
What is the name of the structures that are composed of bars that formed triangles?
(a)
Suspended structures are place in held by .............. and ............... attached to sturdy supports.
cables and bars
suspenders and bars
cables and suspenders
cables and bridges
When we design a structure we need to combine...
maximum amount of material with the minimun strength.
maximun stability with the minimum amount of material.
minimum strength with the maximum amount of material.
maximum strength with the minimum amount of material.
The type of stress it can be find at the point where a beam rests on a column, receives the name of...
(a)
The name of the stresses showed at the picture are:
1. Bending 2. Cut or shear
3. Compression 4. Bending 5. Compression
1. Bending 2. Torsion 3. Cut or shear
4. Traction 5. Compression
1. Compression 2. Cut or shear 3. Torsion
4. Traction 5. Bending
1. Torsion 2. Cut or shear 3. Compression
4. Bending 5. Traction
