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Materials - Statistics

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  • This quiz has been taken 5 times
  • The average score is 8 of 21
Answer Stats
Hint Answer % Correct
How can density be calculated mass/volume
100%
what is the definition of viscosity a measure o f how resistant a fluid is to deformation
33%
what is the definition of upthrust an upward force that exerts pressure on a submerged object
33%
what is compressive stress decrease in length of an object
33%
what is it when a shape returns to its original shape once the force applied is removed elastic deformation
33%
what is tensile stress increase in length of an object
33%
what are the units for density kgm-3
33%
what does k and x stand for in hookes law stiffness of the object and extension
33%
what does viscosity depend on temperature
33%
what does hookes law state that extension is directly proportional to the force applied
33%
what is strain the deformation of a material from stress
33%
what is it when you increase the force applied and the object deforms plastically the elastic limit
33%
what is meant by stiffness the extent to which an object resists deformation in response to an applied force
33%
what is the point after hookes law is no longer obeyed the limit of proportionality
33%
what does stokes law apply to the motion of falling objects through fluids
33%
what is meant by the yield point the point at which the material begins to stretch without an increase in load
33%
what does Youngs modulus describe the stiffness of a material
33%
what is the breaking stress of a material the value at which the material will break apart
33%
what is elastic strain energy when work is done on a material to stretch to compress it
33%
what is plastic deformation where a materials shape is changed permanently
33%
what is the area under a force extension graph work done
33%
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