#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

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