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julia7c
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Last updated: February 12, 2025
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First submittedFebruary 12, 2025
Times taken5
Average score38.1%
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Hint
Answer
How can density be calculated
mass/volume
what are the units for density
kgm-3
what is the definition of upthrust
an upward force that exerts pressure on a submerged object
what does stokes law apply to
the motion of falling objects through fluids
what is the definition of viscosity
a measure o f how resistant a fluid is to deformation
what does viscosity depend on
temperature
what does hookes law state
that extension is directly proportional to the force applied
what does k and x stand for in hookes law
stiffness of the object and extension
what is meant by stiffness
the extent to which an object resists deformation in response to an applied force
what is tensile stress
increase in length of an object
what is compressive stress
decrease in length of an object
what is strain
the deformation of a material from stress
what does Youngs modulus describe
the stiffness of a material
what is the point after hookes law is no longer obeyed
the limit of proportionality
what is it when you increase the force applied and the object deforms plastically
the elastic limit
what is meant by the yield point
the point at which the material begins to stretch without an increase in load
what is it when a shape returns to its original shape once the force applied is removed
elastic deformation
what is plastic deformation
where a materials shape is changed permanently
what is the breaking stress of a material
the value at which the material will break apart
what is elastic strain energy
when work is done on a material to stretch to compress it
what is the area under a force extension graph
work done
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