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WorksheetsForces on Structures Unit Test
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
An arch bridge is the best choice to support trains.
a)
True
b)
False
2.
Beam Bridges are suspended by by towers connecting cables.
a)
True
b)
False
3.
The Tacoma Narrows Bridge that was bending back and forth in the wind was affected by torsion.
a)
True
b)
False
4.
Cars driving across a bridge are an example of a live load.
a)
True
b)
False
5.
Squeezing is another term for torsion.
a)
True
b)
False
6.
Stretching is another term for tension.
a)
True
b)
False
7.
Cross bracing under a bridge is used to support wind load.
a)
True
b)
False
8.
A thermal load can cause beams and columns of a structure to change shape.
a)
True
b)
False
9.
Compression is an example of a pulling force.
a)
True
b)
False
10.
Tension is an example of a pushing force.
a)
True
b)
False
11.
Adding an extra thick beam to to a bridge is an example of supporting a…
a)
Thermal Load
b)
Dynamic Load
c)
Earthquake Load
d)
Settlement Load
12.
What force is applied to the cables of a suspension bridge?
a)
Torsion
b)
Compression
c)
Bending
d)
Tension
13.
The leg of a desk is an example of a...
a)
External Force
b)
Live Load
c)
Internal Force
d)
Push and Pull
14.
An object that provides support is called ________.
a)
a structure
b)
a design
c)
the brace
d)
supportive
15.
The strongest structural shape is _________.
a)
rectangular
b)
arched
c)
square
d)
triangular
16.
What is bending?
a)
a twisting or turning force
b)
a force that makes a straight material become curved
c)
a pulling force that stretches a material
d)
a pushing force that squeezes a material
17.
You see a crane carrying a load of supplies at a construction site. The rope holding the supplies to the crane is experiencing _____________.
a)
compression
b)
tension
c)
buckle
d)
torsion
18.
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)
Tension
d)
friction
19.
The distance from one end of a bridge to the other end of the bridge...
a)
Bridge Tower
b)
Bridger
c)
Bridge Deck
d)
Bridge Span
20.
What are the two ends of a bridge that support its weight?
a)
span
b)
abutment
c)
cable
d)
pier
21.
What is the name for the part of the bridge that cars move across?
a)
span
b)
deck
c)
abutment
d)
cable
22.
What are they working on?
a)
Bridge Cable
b)
Bridge Deck
c)
Bridge Span
d)
Bridge Foundation
23.
This is an example of
a)
Bridge Tower
b)
Bridge Abutment
c)
Bridge Cable
d)
Bridge Span
24.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
25.
The foam padding of goalie pads is used for...
a)
Transfer of force
b)
Absorbing of force
c)
Spreading out of force
d)
Nothing if you play for the leafs
26.
The use of triangles in bridge building helps to...
a)
Absorb force
b)
Transfer force
c)
Spread out force
d)
Make it look cool
27.
When one curling rock hits another curling rock, what type of force is this?
a)
Absorbing
b)
Transfer
c)
Spreading out
28.
Which bridge would be your last choice for long spans?
a)
beam
b)
arch
c)
suspension
d)
truss
29.
Which type of bridge would have the most complicated design and be most expensive to make?
a)
Truss
b)
Beam
c)
Suspension
d)
Arch
30.
This is the weight carried or supported by an object.
a)
heaviness
b)
weight
c)
load
d)
mass
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