WorksheetsUnit 4- Forces and Structures
Total questions: 60
Worksheet time: 59mins
Name
Class
Date
1.
Squeezing is another term for torsion.
a)
True
b)
False
2.
Cars driving across a bridge are an example of a live load.
a)
True
b)
False
3.
Stretching is another term for tension.
a)
True
b)
False
4.
A thermal load can cause beams and columns of a structure to change shape.
a)
True
b)
False
5.
Compression is an example of a pulling force.
a)
True
b)
False
6.
Tension is an example of a pushing force.
a)
True
b)
False
7.
What force is applied to the cables of a suspension bridge?
a)
Torsion
b)
Compression
c)
Bending
d)
Tension
8.
The force that a leg of a desk is holding is an example of a...
a)
External Force
b)
Live Load
c)
Internal Force
d)
Push and Pull
9.
An object that provides support is called ________.
a)
a structure
b)
a design
c)
the brace
d)
supportive
10.
The strongest structural shape is _________.
a)
rectangular
b)
arched
c)
square
d)
triangular
11.
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
12.
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
13.
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
14.
The use of triangles in bridge building helps to...
a)
Absorb force
b)
Transfer force
c)
Spread out force
d)
Make it look cool
15.
This is the weight carried or supported by an object.
a)
heaviness
b)
weight
c)
load
d)
mass
16.
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
17.
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
18.
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
19.
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
20.
An internal force is one where ____________.
a)
one 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
21.
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
22.
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
23.
The amount of matter in an object is referred to as its _____________.
a)
grams
b)
weight
c)
force
d)
mass
24.
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
25.
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
26.
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.
27.
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
28.
A measure of how much matter an object has is--
a)
weight
b)
gravity
c)
mass
d)
volume
29.
The weight of an object _________ as it moves away from the center of Earth.
a)
increases
b)
stays the same
c)
triples
d)
decreases
30.
The mass of an object ___________ as it moves away from the center of Earth
a)
stays the same
b)
decreases
c)
increases
d)
doubles
31.
On which celestial object would you weigh the most?
a)
Earth
b)
Jupiter
c)
Sun
d)
You would weigh the same on all celestial objects
32.
On which celestial object (outer space) would your mass be the greatest?
a)
Earth
b)
Jupiter
c)
Sun
d)
Your mass doesn't change on different celestial objects
33.
Why do all of the planets orbit the sun rather than Earth?
a)
the sun has more mass
b)
the sun is a star
c)
the Earth is heavier
d)
the sun is in the middle of the milky way
34.
As an object's mass increases, its gravitational pull will ____________.
a)
decrease
b)
increase
c)
stay the same
d)
get weaker
35.
If an object has more mass, then it will
a)
weigh more.
b)
weigh less.
c)
weigh the same as an object with less mass.
d)
always have more volume than an object with less mass.
36.
Why would you weigh less on the moon compared to Earth?
a)
less air
b)
less sunlight
c)
more gravitational pull
d)
less gravitational pull
37.
What is the definition of "weight"?
a)
measure of the force of gravity on your body
b)
the time it takes to get on a ride
c)
the amount of matter in an object
d)
the size of an object
38.
A mushroom is an example of what type of structure?
a)
Natural, shell structure
b)
manufactured, shell structure
c)
Natural, mass structure
d)
Natural, frame structure
39.
A clay pot is an example of what type of structure?
a)
manufactured, frame structure
b)
manufactured, mass structure
c)
natural, shell structure
d)
manufactured, shell structure
40.
a chain link fence is an example of what type of design?
a)
manufactured, frame
b)
natural, frame
c)
manufactured, shell
d)
manufactured, mass
41.
An Oreo is an example of what design of structure?
a)
natural, shell
b)
manufactured, shell
c)
manufactured, mass
d)
manufactured, frame
42.
Using fiberglass to create the haul of a canoe and reinforcing it with plastic is an example of what type of material?
a)
layered material
b)
woven material
c)
knit material
d)
composite material
43.
A lamination is typically used in _________ materials to improve the over look of the structure.
a)
layered
b)
composite
c)
woven
d)
plastic
44.
If an elevator said that it could only hold 3000 lbs, but it could in fact, hold up to 6000 lbs, the elevator would be said to have ____________.
a)
a small margin of safety
b)
safety codes
c)
a large margin of safety
d)
well being of safety
45.
When considering the aesthetics of a structure, what are the two things that keep the design aesthetically pleasing?
a)
symmetrical, simple
b)
asymmetrical, simple
c)
symmetrical with lots of beautiful designs
d)
asymmetrical with lots of beautiful designs
46.
Which of the following does a designer not need to think about when choosing a material?
a)
Cost
b)
structure
c)
aesthetics
d)
Environmental Impact
47.
A dovetail joint is an example of what type of joint?
a)
mobile joint
b)
ties
c)
interlocking shapes
d)
adhesives
48.
If you wanted to adhere two metal pipes together, but did not want to compromise the integrity of the pipe, what method would you use to create the joint?
a)
welding
b)
wood glue
c)
Soldering
d)
screws
49.
The following is an example of a rigid joint
a)
elbow
b)
door hinge
c)
a light switch
d)
corner of the wall
50.
Which of the following is NOT an example of a mobi joint?
a)
door hinge
b)
door frame
c)
shoulder joint
d)
trailer hitch
51.
Which is an example of a joint that uses fasteners?
a)
tying up a shoe
b)
stapling two pieces of paper together
c)
welding together a fire pit
d)
sewing a sweater
52.
An example of using adhesives is ___________.
a)
soldering together a stool
b)
putting together puzzle pieces
c)
using wood glue to make a bird house
d)
nailing together a bird house
53.
Mass is measured in kg
a)
True
b)
False
54.
A balance is used to measure something's weight.
a)
True
b)
False
55.
Weight is measured in ________.
a)
Liters
b)
kilograms
c)
Newtons
d)
pounds
56.
__________ is the measure of the gravitational force pulling down on the matter that makes up a structure
a)
Force
b)
weight
c)
mass
d)
Load
57.
Mass is ___________.
a)
constantly changing
b)
the measure of the gravitational force pulling on something's mass
c)
the amount of matter in something
d)
lost when leaving the atmosphere
58.
External forces cause ___________.
a)
external forces
b)
shear forces
c)
tension forces
d)
internal forces
59.
A force meter is very reliable and used to measure somethings weight.
a)
true
b)
false
60.
Is the term being used correctly?
When my father finished his new diet, his mass decreased by 2kg
When my father finished his new diet, his mass decreased by 2kg
a)
True
b)
False
100 %
