12814238
Descrição
Quiz por Katie Aldred, atualizado more than 1 year ago
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Criado por Katie Aldred
quase 8 anos atrás
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Questão 1
Responda
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limit of proportionality
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elastic limit
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yield point
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Ultimate tensile strength
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Breaking point
Questão 2
Questão
The density of a substance is defined as its [blank_start]mass[blank_end] per [blank_start]unit[blank_end] [blank_start]volume[blank_end].
Responda
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mass
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unit
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volume
Questão 3
Questão
What is the equation to find density?
Responda
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P=m/V
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P=mV
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F=ke
Questão 4
Questão
Hooke’s Law can be expressed as F=ke.
Responda
- True
- False
Questão 5
Questão
State Hooke’s Law
Responda
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Force is proportional to extension
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Force is inversely proportional to extension up to the limit of proportionality
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Force is proportional to extension up to the limit of proportionality
Questão 6
Questão
K in the Hooke’s Law equation represents how elastic a material is.
Responda
- True
- False
Questão 7
Questão
A brittle material has [blank_start]very little/no [blank_end]extension before [blank_start]breaking[blank_end].
Responda
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very little/no
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breaking
Questão 8
Questão
A ductile material [blank_start]extends[blank_end] significantly before [blank_start]breaking[blank_end] and can be drawn into [blank_start]wires[blank_end].
Responda
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extends
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breaking
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wires
Questão 9
Questão
[blank_start]Force[blank_end] is proportional to extension and the material[blank_start] obeys Hooke’s Law[blank_end] up to the limit of proportionality
Responda
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Force
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obeys Hooke’s Law
Questão 10
Questão
The [blank_start]elastic limit[blank_end] is the maximum amount that a material can be stretched and still return to its [blank_start]original length[blank_end]
Responda
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elastic limit
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original length
Questão 11
Questão
The yield point is the point at which [blank_start]stress[blank_end] in the wire suddenly [blank_start]drops[blank_end] when the wire is subject to increasing [blank_start]strain[blank_end]
Responda
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stress
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drops
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strain
Questão 12
Questão
The ultimate tensile strength is the greatest stress on a material before breaking
Responda
- True
- False
Questão 13
Questão
What is the breaking point of an object?
Responda
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The point at which the object fails
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The point at which the material undergoes plastic deformation
Questão 14
Questão
Elastic behaviour is when an object [blank_start]will[blank_end] return to its [blank_start]original shape[blank_end] when the deforming force is removed
Responda
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will
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original shape
Questão 15
Questão
Plastic behaviour is when the object [blank_start]does not[blank_end] return to its [blank_start]original shape[blank_end] when the deforming force is removed
Responda
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does not
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original shape
Questão 16
Questão
Plastic deformation is permanent deformation/ permanent extension
Responda
- True
- False
Questão 17
Questão
Stress is [blank_start]force per unit cross-sectional area[blank_end]
Responda
-
force per unit cross-sectional area
Questão 18
Questão
Strain is [blank_start]extension divided by its original length[blank_end]
Responda
-
extension divided by its original length
Questão 19
Questão
The Young Modulus of a material is the [blank_start]stress divided by the strain [blank_end]
Responda
-
stress divided by the strain
Questão 20
Responda
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Elastic potential energy
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Heat energy
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Kinetic energy
Questão 21
Responda
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Young Modulus
Questão 22
Questão
What does the gradient of this graph and the area underneath it represent?
Image:
Mobile upload (image/jpeg)
Responda
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the spring constant
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the elastic energy stored
Questão 23
Responda
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energy per unit volume
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