Quiz
Physics materials
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Perguntas do quiz (23)
1Label each point on the graph.
- Alimit of proportionality
- Belastic limit
- Cyield point
- DUltimate tensile strength
- EBreaking point
2The density of a substance is defined as its [blank_start]mass[blank_end] per [blank_start]unit[blank_end] [blank_start]volume[blank_end].
- Amass
- Bunit
- Cvolume
3What is the equation to find density?
- AP=m/V
- BP=mV
- CF=ke
4Hooke’s Law can be expressed as F=ke.
- AVerdadeiro
- BFalso
5State Hooke’s Law
- AForce is proportional to extension
- BForce is inversely proportional to extension up to the limit of proportionality
- CForce is proportional to extension up to the limit of proportionality
6K in the Hooke’s Law equation represents how elastic a material is.
- AVerdadeiro
- BFalso
7A brittle material has [blank_start]very little/no [blank_end]extension before [blank_start]breaking[blank_end].
- Avery little/no
- Bbreaking
8A ductile material [blank_start]extends[blank_end] significantly before [blank_start]breaking[blank_end] and can be drawn into [blank_start]wires[blank_end].
- Aextends
- Bbreaking
- Cwires
9[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
- AForce
- Bobeys Hooke’s Law
10The [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]
- Aelastic limit
- Boriginal length
11The 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]
- Astress
- Bdrops
- Cstrain
12The ultimate tensile strength is the greatest stress on a material before breaking
- AVerdadeiro
- BFalso
13What is the breaking point of an object?
- AThe point at which the object fails
- BThe point at which the material undergoes plastic deformation
14Elastic 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
- Awill
- Boriginal shape
15Plastic 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
- Adoes not
- Boriginal shape
16Plastic deformation is permanent deformation/ permanent extension
- AVerdadeiro
- BFalso
17Stress is [blank_start]force per unit cross-sectional area[blank_end]
- Aforce per unit cross-sectional area
18Strain is [blank_start]extension divided by its original length[blank_end]
- Aextension divided by its original length
19The Young Modulus of a material is the [blank_start]stress divided by the strain [blank_end]
- Astress divided by the strain
20What is this the equation for?
- AElastic potential energy
- BHeat energy
- CKinetic energy
21What does the gradient of this graph represent?
- AYoung Modulus
22What does the gradient of this graph and the area underneath it represent?
- Athe spring constant
- Bthe elastic energy stored
23What does the area under this graph represent?
- Aenergy per unit volume
Informações
- Descrição
- Quiz on Physics materials, created by Katie Aldred on 14/03/2018.
- Autor
- Katie Aldred
- Idioma
- English
- Visualizações
- 9
- Etiquetas
- Avaliação
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