WorksheetsForces on Structures and Mechanisms (Prep Test)
Total questions: 28
Worksheet time: 14mins
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.
What is torsion?
a)
a twisting or turning force
b)
a force that makes a straight material become curved
c)
a pushing force that squeezes
d)
a pulling force that stretches a material
4.
What is compression?
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
5.
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
6.
What is tension?
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
7.
Which of these describes a beam bridge?
a)
Has tall towers that support a main cable
b)
Built with triangles made of steel bars.
c)
A curve shaped bridge.
d)
Has a horizontal beam supported by piers
8.
Which of these describes a truss bridge?
a)
An curve shaped bridge
b)
Built with triangles made of steel bars
c)
Has tall towers which support a main cable.
d)
Has a horizontal beam supported by piers
9.
Which of these describes an arch bridge?
a)
An curve shaped bridge
b)
Has tall towers which support a main cable.
c)
Has a horizontal beam supported by piers
d)
Built with triangles made of steel bars
10.
What is an internal force?
a)
A force that acts outside a structure
b)
an x-ray force
c)
A force that acts from within the structure
11.
What is an external force?
a)
A force that acts from within the structure
b)
A force that acts outside a structure
c)
an x-ray force
12.
Wind is what kind of force?
a)
a big force
b)
internal force
c)
external force
d)
a wind force
13.
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
14.
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
15.
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
16.
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
17.
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
18.
Structures that hold up a bridge and run vertically to the ground.
a)
joints
b)
trusses
c)
piers
d)
decks
19.
The distance from tower to tower
a)
Bridge Tower
b)
Bridger
c)
Bridge Deck
d)
Bridge Span
20.
What are the steel wires used to suspend the main supports called?
a)
span
b)
abutment
c)
pier
d)
cable
21.
What are the two ends of a bridge that support its weight?
a)
span
b)
abutment
c)
cable
d)
pier
22.
What is the name for the entire length of a bridge?
a)
span
b)
pier
c)
abutment
d)
cable
23.
What are they working on?
a)
Bridge Cable
b)
Bridge Deck
c)
Bridge Span
d)
Bridge Foundation
24.
This is an example of
a)
Bridge Tower
b)
Bridge Abutment
c)
Bridge Cable
d)
Bridge Span
25.
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
26.
The foam padding of goalie pads is used for...
a)
Transfer of force
b)
Absorbing of force
c)
Spreading out of force
27.
The use of triangles in bridge building helps to...
a)
Absorb force
b)
Transfer force
c)
Spread out force
28.
When one curling rock hits another curling rock, what type of force is this?
a)
Absorbing
b)
Transfer
c)
Spreading out
100 %
