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WorksheetsStructures and Forces
Total questions: 35
Worksheet time: 1hrs 4mins
Name
Class
Date
1.
An object that provides support is called ________.
a)
a structure
b)
a design
c)
the base
d)
supportive
2.
The strongest structural shape is _________.
a)
rectangular
b)
arched
c)
square
d)
triangular
3.
The function of a structure refers to ___________.
a)
its overall design
b)
its use or purpose
c)
how it is built
d)
the technological requirements
4.
The caps of most mushrooms are hollow. What kind of structure would they be classified as?
a)
Shell structure
b)
Solid structure
c)
Frame structure
d)
Whole structure
5.
In a structure, the function of a beam is to ____________.
a)
provide strength and distribute the force of the load
b)
provide an interesting look or texture
c)
distribute force from the load to the ground
d)
join two materials together without the use of glue
6.
What makes igloos strong?
a)
They are natural structures.
b)
The igloo is a mass structure.
c)
The coldness makes everything stay in a solid state.
d)
The forces acting on the igloo are distributed equally in all directions.
7.
The species of mushroom commonly known as Morel is found in the Albertan aspen forests near sources of nitrogen. The centre of the mushroom is solid. As such, it should be classified as a _____________.
a)
Shell structure
b)
Solid structure
c)
Frame structure
d)
Whole structure
8.
In hot dry climates, homes are traditionally constructed of ___________.
a)
sun-baked brick, clay or mud
b)
bamboo
c)
long grasses woven together
d)
long poles and canvas covers
9.
Characteristics which are important in structures are ___________.
a)
function, design, aesthetics
b)
form, function, and design
c)
seasonal demands and functions
d)
climate, aesthetics and design
10.
Two essential characteristics of effective structures are _____________.
a)
to stay warm and dry
b)
to remain stable and be mobile
c)
to provide protection and remain stable
d)
to provide protection and security
11.
You friend steals your paper and pretends to rip it but doesn't not apply enough force to successfully do so. The paper as exhibited ___________.
a)
tensile strength
b)
compressive strength
c)
shear strength
d)
torsion strength
12.
The bigger a force's magnitude ____________.
a)
the stronger it is and the more effect it will have on a structure
b)
the more individuals needed to carry out the movement
c)
the less resistance is necessary to increase the friction
d)
the further away you need to stand when applying pressure
13.
The amount of matter in an object is referred to as its _____________.
a)
grams
b)
weight
c)
force
d)
mass
14.
The term "load" refers to _______________.
a)
an external force on a structure
b)
a balanced arrangement of mass
c)
the necessary resistance of a structure
d)
a realistic design of a structure's forces
15.
The weight of the equipment of a bus ( including all the parts) is called the _____________.
a)
human factor
b)
riding mass
c)
dead load
d)
live load
16.
A static load is also called a ____________.
a)
live load
b)
deal load
c)
resistant load
d)
moving load
17.
The weight of a structure and the non-moving load is supports is called ___________.
a)
a dynamic load
b)
a mass load
c)
a static load
d)
a load weight
18.
An external force that moves or changes with time is known as _______.
a)
a static load
b)
a gravitational load
c)
structural variance
d)
a dynamic load
19.
The most common types of bridges are _________.
a)
beam, truss, arch, suspension
b)
beam, arch, suspension, support
c)
suspension, arch, truss, railway
d)
truss, arch cable, suspension
20.
Engineers use which two conditions to decide what type of bridge is best suited for a situation?
a)
the kinds of loads and types of vehicles
b)
if the bridge is crossing land or water and the materials for the design
c)
the kinds of loads and whether the bridge is crossing land or water
d)
the types of vehicle weight and materials for construction
21.
An internal force is one where ____________.
a)
on part of a structure exerts force on another part of the same structure.
b)
one part of a structure absorbs force form outside the structure
c)
the inside of the structure combines with the overall force of the structure
d)
the external forces exert pressure on the internal supports of the structure
22.
Three internal forces that are classified by the direction in which they act are ____________.
a)
compression, tension, and exertion
b)
tension, compression, and shear
c)
shear, exertion, and stress
d)
curvature, twisting, and bending
23.
A Christmas ornament hangs on the tree with a piece of string. To prevent the string from snapping, it must have __________.
a)
tensile strength
b)
compression strength
c)
shear strength
d)
torsion strength
24.
You see a crane carrying a load of supplies at a construction site. The rope holding the supplies to the crane is experiencing _____________.
a)
shear
b)
tension
c)
buckle
d)
torsion
25.
Complementary forces are those in which __________________.
a)
bending occurs after the structure is immobile
b)
mobility is hampered by inconsistent movement
c)
different forces act on a structure at the same time
d)
a quick succession of movements follow repeatedly
26.
Under which soil conditions would the use of pilings not be needed?
a)
sand
b)
gravel
c)
bedrock
d)
waterlogged soil
27.
Structural stress can occur when ___________.
a)
a combination of internal and external forces weaken a structure
b)
there is repeated abnormal use of the structure
c)
a structure can no longer stand up to the forces acting upon it
d)
the design is not structurally proven
28.
Why are you more likely to fall over if you stand with only one foot on the ground rather than with two feet on the ground?
a)
a. With only one foot on the ground, your alignment is off
b)
b. With only one foot on the ground, your leg lacks tensile strength
c)
c. With two feet on the ground, your mass is distributed over more area
d)
d. With two feet on the ground, your center of gravity is closer to the ground
29.
Weebles are impossible to tip over because they have _____________.
a)
a. a high center of gravity
b)
b. a low center of gravity
c)
c. no center of gravity
d)
d. no gravitational pull
30.
The term deformation refers to _____________.
a)
a. the ability of a material to bend under force without breaking
b)
b. the change of shape in a structure because the material is unable to resist the load acting on it
c)
c. the drag or resistance felt when a load is placed on a moveable structure
d)
d. the change of shape in a structure when the material absorbs the force acting upon it
31.
The force that results when the surface of one object moves against the surface of another is referred to as _____________.
a)
resistance
b)
gravity
c)
stress
d)
friction
32.
Th MOST common type of joining use in modern construction is _________.
a)
a. nails, screws, rivets
b)
b. interlocking pieces
c)
c. frictional mass
d)
d. staples and glue
33.
The muscles in your body are made of semi-solid tissue that functions by _____________.
a)
a. contracting and relaxing
b)
b. lengthening and contracting
c)
c. shortening and extending
d)
d. supporting and relaxing
34.
Structural safety is affected by environmental factors such as ___________.
a)
a. soil stability, material failure, overcrowding
b)
b. climate, building components, terrain
c)
c. earthquakes, hurricanes, tornados
d)
d. terrain, climatic conditions, earthquake risk
35.
The process of forming a material into wave-like ridges or folds is known as ____________.
a)
corrugation
b)
lamination
c)
reinforcing
d)
alternation
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