So what you are saying is, I have to eat more, get fatter, widen my area and therefore reduce the stress?
Got it.
That will just increase the force (gravity).
You need to lie down. That increases area but not force.
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Pathetic
That’s pressure.
Yes. Stress is a measure of an object’s internal pressure.
Pushing down on me.
Pressing down on you.
no man ask for.
Under pressure that burns a building down
Splits a family in two
puts people on streets
Welcome to engineering, where we have MPa as a unit of stress and mm/mm as a unit of strain!
I was told that you also sometimes have four basis vectors in 3D
mm/mm?? why not call it m/m?
Because we’re precise!
Why km/h (or mph) and not ft/year? Because the numbers have a nicer magnitude then.
Doesn’t apply here, say for example i have a piece of steel with length 100mm and it stretches 10mm, is mm/mm the strain would be 0.1 mm/mm, in meters it would be 0.1m/m
Really strain is dimensionless but occasionally people add units
I feel like I should’ve spotted that… they’re the same units. 🤦
Because practicality. Strain generally occurs across mm scales at most for most traditional tensile tests and relevant materials. Normally it’s actually much less than mm. Occasionally you see micrometers/micrometers.
How is it more practical when 1 m/m = 1 mm/mm = 1 μm/μm?
Agreed. Perhaps it was based on tensile stress? Tensile stress = deforming force / cross-sectional area