#1 UNIT D
A force that acts to stretch and pull apart something.
#1 UNIT D
A force that acts to stretch and pull apart something.
TENSION
#2 UNIT D
An object that provides support.
#2 UNIT D
An object that provides support.
STRUCTURE
#3 UNIT D
This type of structure is made up of a rigid
arrangement of parts.
#3 UNIT D
This type of structure is made up of a rigid
arrangement of parts.
FRAME
#4 UNIT D
This type of load is an external force that moves or
changes with time.
#4 UNIT D
This type of load is an external force that moves or
changes with time.
DYNAMIC LOAD
#5 UNIT D
This type of structure has a solid outer surface, which may be rounded or flat in
shape and a have a hollow inner area.
#5 UNIT D
This type of structure has a solid outer surface, which may be rounded or flat in
shape and a have a hollow inner area.
SHELL
#6 UNIT D
Balanced arrangement of mass on opposite sides of a
line or a plane.
#6 UNIT D
Balanced arrangement of mass on opposite sides of a
line or a plane.
SYMMETRY
#7 UNIT D
A structure’s ability to maintain its position even
when it is being acted upon.
#7 UNIT D
A structure’s ability to maintain its position even
when it is being acted upon.
STRUCTURAL STABILTY
#8 UNIT D
Refers to the pleasing appearance or effect that an
object has because of its design.
#8 UNIT D
Refers to the pleasing appearance or effect that an
object has because of its design.
AESTHETICS
#9 UNIT D
A force that acts to squeeze an object together.
#9 UNIT D
A force that acts to squeeze an object together.
COMPRESSION
#10 UNIT D
A push or a pull that tends to cause an object to change its
movement or shape.
#10 UNIT D
A push or a pull that tends to cause an object to change its
movement or shape.
FORCE
#11 UNIT D
The three things which effect a force are:
#11 UNIT D
The three things which effect a force are:
SIZE, DIRECTION, AND LOCATION
#12 UNIT D
This type of structure is formed from a solid piece of
material.
#12 UNIT D
This type of structure is formed from a solid piece of
material.
SOLID
#13 UNIT D
The unit for measuring force.
#13 UNIT D
The unit for measuring force.
NEWTON
#14 UNIT D
1 kg = _______ Newtons.
#14 UNIT D
1 kg = _______ Newtons.
10 NEWTONS
#15 UNIT D
A force that is applied on a structure by something else.
#15 UNIT D
A force that is applied on a structure by something else.
EXTERNAL
#16 UNIT D
The imaginary point in an object where the downward
force of gravity acts.
#16 UNIT D
The imaginary point in an object where the downward
force of gravity acts.
CENTER OF GRAVITY
#17 UNIT D
This type of load is the actual weight of the structure.
#17 UNIT D
This type of load is the actual weight of the structure.
STATIC LOAD
#18 UNIT D
This type of bridge has tall towers at either end.
#18 UNIT D
This type of bridge has tall towers at either end.
SUSPENSION
#19 UNIT D
A set of conditions a structure must meet after it is built to show it is performing
to certain standards.
#19 UNIT D
A set of conditions a structure must meet after it is built to show it is performing
to certain standards.
PERFORMANCE REQUIREMENTS
#20 UNIT D
A force that acts to push parts that are in contact with
each other in opposite directions.
#20 UNIT D
A force that acts to push parts that are in contact with
each other in opposite directions.
SHEAR
#21 UNIT D
When different kinds of internal forces act on a
structure at the same time.
#21 UNIT D
When different kinds of internal forces act on a
structure at the same time.
COMPLEMENTARY FORCES
#22 UNIT D
The strongest structural shape.
#22 UNIT D
The strongest structural shape.
TRIANGLE
#23 UNIT D
This tissue connects muscle to muscle.
#23 UNIT D
This tissue connects muscle to muscle.
LIGAMENT
#24 UNIT D
A change of shape in any structural component , or in the structure itself, because
the material is unable to resist the force acing on it.
#24 UNIT D
A change of shape in any structural component , or in the structure itself, because
the material is unable to resist the force acing on it.
DEFORMATION
#25 UNIT D
A process of gluing layers of material together to create a
strong bond.
#25 UNIT D
A process of gluing layers of material together to create a
strong bond.
LAMINATION
#26 UNIT D
The ability of a material to be bent under force repeatedly
and not fail.
#26 UNIT D
The ability of a material to be bent under force repeatedly
and not fail.
FLEXIBILTY
#27 UNIT D
The place at which two or more components of a
structure are joined together.
#27 UNIT D
The place at which two or more components of a
structure are joined together.
JOINT
#28 UNIT D
An increase in this force increases the strength of a
joint.
#28 UNIT D
An increase in this force increases the strength of a
joint.
FRICTION
#29 UNIT D
This tissue connects muscle to bone.
#29 UNIT D
This tissue connects muscle to bone.
TENDON
#30 UNIT D
The limits within which the safety aspects of a structure
are considered to be acceptable.
#30 UNIT D
The limits within which the safety aspects of a structure
are considered to be acceptable.
MARGIN OF SAFETY
#31 UNIT D
Forming material into wave-like ridges or folds
#31 UNIT D
Forming material into wave-like ridges or folds
CORRUGATION
SCIENCE 7 UNIT D STRUCTURES AND FORCES ROCK & ROLL
REVIEW