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WorksheetsStructures and Forces Exam
Total questions: 50
Worksheet time: 42mins
A ______________ is a horizontal structure designed to support a load.
beam
truss
arch
gusset
A beam that is only supported at one end?
Cantilever
Truss
Strut
I-Beam
You see a crane carrying a load of supplies at a construction site. The STEEL CABLE holding the supplies to the crane is experiencing what type of force?_____________.
A ___________________ is a push or pull that tends to cause an object to change its movement or shape
Newton
Force
Torsion
Compression
Bending is a combination of which two stresses?
torsion and shear
tension and compression
tension and torsion
compression and shear
Examine the pictures. Which of the following is NOT an example of a truss?
Forces are measured in units called
Wind
Joules
Deformation
Newtons
Which internal force is shown in the diagram pictured?
Compression
Tension
Shear
Torsion
Think about how a nail, screw and rivet hold materials together. Each of these fasteners depend on the force of ___________ to make a joint in a structure.
Bonding
Wind
Friction
Static
Every structure has a purpose or ___________ when it is created.
shape
form
function
magnitude
In this roofing system, what component is being used to reinforce and strengthen the structure?
trusses
arches
domes
glue
___________________ is the point at which an object’s mass is equally balanced in all directions.
Point of equilibrium
Balance point
Centre of gravity
Point of greatest mass
If two objects with mass were placed in the void of space, they would eventually stick together. These attractive forces between objects with mass is known as? (must be spelled correctly)
(a)
Two types of loads are ________ and ________
Static, Bonding
Dynamic, Deformation
Dynamic, Static
Newtons, Joules
An example of a natural solid structure would be...
A chain-link fence
Framing of a house
A tree trunk
Spiderwebs
The pleasing appearance of a structure refers to its ________________ quality.
Hinge
Static
Aesthetic
Dynamic
(a) structures have the advantage of being inexpensive, are hollow, have higher strength with respect to their self-weight, cover large areas, simple design.
Concrete is able to withstand a lot of _____________ force.
tensile
compressive
torsional
shearing
What makes igloos strong?
They are natural structures.
The igloo is a mass structure.
The coldness makes everything stay in a solid state.
The forces acting on the igloo are distributed equally in all directions.
Concrete that has been strengthened with _____________ is able to withstand a lot more tensile stress than unreinforced concrete.
rebar
polymers
epoxy
mortar
The actual effect of a force depends on three things: the magnitude, or size of the force; the direction of the force, and....?
how the force is applied
where the force is applied
why the force is applied
how long the force is applied
The amount of matter in an object does not change regardless of where it is placed in the universe. The amount of matter (stuff) found in an object is also known as?
Weight
Density
Gravity
Gravity is an example of...
An internal force
An external force
A negative force
A truss is:
a network of triangles that rarely offer more stability/strength to a structure
a of network of geometrical shapes that add mass to an object
a network of rafters
a network of triangles that reinforce structures
Which of the following is the dynamic load for this bridge?
The weight of the train
The weight of the bridge
The Snow
Both A and C
The multiple folds in the walls of cardboard provide an example of using _________________ to provide additional strength.
trusses
plane of application
torsion
corrugation
Objects with a _____________ are generally more stable.
low centre of gravity
wide support base
centre of mass directly above the base
All of these
An example of an external force would be...
Torsion
Tension
Wind
Bending
Choose the best examples of frame structures.
Bikes, Spiderwebs, bridges, skeletons. Branches of trees.
Reefs, snowmen, pyramids, beaver dams, sandcastles.
Vase, egg, hot air balloon, igloo.
Books, computers, pencils, hats, sweatshirts.
What type of internal force is pictured?
Compression
Tension
Torsion
Shear
What is an engineer?
A person who has a job.
A person who likes to play video games.
A person who designs and builds things to solve specific problems.
A person who has a computer.
What force is most likely being tested when bungie jumping from a platform?
Tension
Compression
Shearing
Torsion
A __________ is an example of a freely moveable joint.
Hinge
Friction
Bonding
Mass
Structures can Be Natural or Manufactured
True
False
What type of bridge is this?
Arch
Suspension
Beam
The primary stress that a pair of scissors have to withstand is
compression
tension
shear
torsion
The actual effect of a force on a structure depends on three things:
Magnitude, angle, speed
Direction, angle, slope
Location, slope, speed
Magnitude, direction, location
Consider the type of siding used on a house. Which of the following would a home owner most likely need to consider?
Cost
Aesthetics
Durability
All of the Above
Which shape gives a structure the most strength?
Square
Triangle
Circle
Rectangle
To check whether or not you have a good design, it is often useful to build _______________ .
large numbers of your design
a full-scale version of the structure
the same design from many different materials
a smaller prototype of your design
Walls consist of evenly spaced vertical pieces called _________. The spacing between these pieces is usually ________.
Studs, 24 inches
Joists, 16 inches
Studs, 16 inches
Joists, 24 inches
Rafters, 24"
What are small vertical studs used to support door and window frames called?
Stud
Cripple
Header
Joist
House walls usually use 2" x 6" studs instead of 2" x 4". BRIEFLY describe TWO reasons the exterior walls of homes have 2"x6" studs in the walls?
What is the main reason we put vapor barrier on the inside of stud walls?
A nail and screw are two examples of common fasteners. Clearly IDENTIFY a "Pro" (positive) and "Con" (negative) of each.
Building a structure (like a house) requires a lot of important material considerations. LIST (do not explain) any 4 decisions that might impact your decision to use certain materials.
The knee joint is often the site of many injuries. What TYPE of moveable joint is the knee? Also, BRIEFLY describe what LIGAMENTS and TENDONS do.
Your Tiny House project covered many of the essential terms and concepts in building construction. When the walls of a home are built, there are a variety of LAYERS on the inside and outside of the wall. In order, LIST (do not describe) the TWO layers on the inside of walls and the THREE layers on the outside of walls. Also indicate what is found BETWEEN the studs.
