Studied by 2 peopleWhat’s the formula and unit for stress?
Stress (Nm²) = force (N) x cross sectional area (m²)
Whats the formula and unit for strain?
Strain (no unit) = extension OR change in length / original length
What’s the formula for young’s modulus?
Stress (Nm²) / strain
What’s the formula and units for the area of a square/rectangle?
Length x width
(unit)²
What’s the formula and units for the area of a triangle?
½ x base x height
(unit)²
What’s the formula for the area of a circle?
pi x r²
What’s the formula for volume?
Cross sectional area x height
What’s the formula for cuboids?
Cross sectional area x height
What’s the formula for prisms?
1/3 x cross sectional area x height
What’s the formula for density?
Mass
Note
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