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  2. Pascal (unit) - Wikipedia

    en.wikipedia.org/wiki/Pascal_(unit)

    The pascal (symbol: Pa) is the unit of pressure in the International System of Units (SI). It is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is an SI coherent derived unit defined as one newton per square metre (N/m 2). [1]

  3. List of physical quantities - Wikipedia

    en.wikipedia.org/wiki/List_of_physical_quantities

    joule (J) L 2 M T −2: scalar Young's modulus: E: Ratio of stress to strain pascal (Pa = N/m 2) L −1 M T −2: scalar; assumes isotropic linear material spring constant: k: k is the torsional constant (measured in N·m/radian), which characterizes the stiffness of the torsional spring or the resistance to angular displacement. N/m M T −2 ...

  4. Module:Convert/documentation/conversion data - Wikipedia

    en.wikipedia.org/wiki/Module:Convert/...

    For example when defining unit code m2 put SI2 here, and for m3 say SI3. This will scale, for example, km2 to 1000 × 1000 of the base unit, m , or scale mm3 to 0.001 × 0.001 × 0.001 of the base unit m .

  5. Joule - Wikipedia

    en.wikipedia.org/wiki/Joule

    The joule (/ dʒ uː l / JOOL, or / dʒ aʊ l / JOWL; symbol: J) is the unit of energy in the International System of Units (SI). [1] It is equal to the amount of work done when a force of one newton displaces a mass through a distance of one metre in the direction of that force.

  6. Orders of magnitude (pressure) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(pressure)

    This is a tabulated listing of the orders of magnitude in relation to pressure expressed in pascals. psi values, prefixed with + and - , denote values relative to Earth's sea level standard atmospheric pressure (psig); otherwise, psia is assumed.

  7. Sound energy density - Wikipedia

    en.wikipedia.org/wiki/Sound_energy_density

    The sound energy density level gives the ratio of a sound incidence as a sound energy value in comparison to the reference level of 1 pPa (= 10 −12 pascals). [2] It is a logarithmic measure of the ratio of two sound energy densities. The unit of the sound energy density level is the decibel (dB), a non-SI unit accepted for use with the SI ...

  8. SI derived unit - Wikipedia

    en.wikipedia.org/wiki/SI_derived_unit

    joule per square metre second: J/(m 2 ⋅s) energy flux density: kg⋅s −3: reciprocal pascal: Pa −1: compressibility: m⋅kg −1 ⋅s 2: joule per square metre: J/m 2: radiant exposure: kg⋅s −2: kilogram square metre: kg⋅m 2: moment of inertia: m 2 ⋅kg newton metre second per kilogram: N⋅m⋅s/kg specific angular momentum: m 2 ...

  9. ISO 31-3 - Wikipedia

    en.wikipedia.org/wiki/ISO_31-3

    joule: J 1 J = 1 kg·m 2 /s 2 = 1 Pa·m 3 = 1 W·s Unit named after James Joule. The joule is dimensionally equivalent to the units of torque and moment of force but should be used in preference to the newton metre (N·m). Power: P: watt: W 1 W = 1 J/s = 1 N·m/s = 1 kg·m 2 /s 3: Unit named after James Watt. Pressure: p: pascal: Pa 1 Pa = 1 N ...