Note: All are spelled out using lower case, e.g. newtons, joules, volts, kilogram. that derive from are all uppercase e.g. J, V etc. while symbols for of units Symbols the name of a physicist all other units remain lowercase, e.g. the symbol for the kilogram is kg. http://physics.nist.gov/cuu/Units/checklist.html http://physics.nist.gov/cuu/pdf/typefaces.pdf (If typing these at any stage, note that both variables and constants should be italicised: = + rather than v = u + at.) v u at Check that you know these by covering over all but the first column. Let me know if I’ve missed any. Mechanics Quantity Symbol Unit Symbol Equation Area metres squared m2 a Volume metres m3 v Mass kilogram kg m Density kilogram per metre kg m-3 = m/v cubed Displacement metre m s Velocity metre per second m s-1 v = d/t v Acceleration per second m s-2 a squared newton N F = ma F Momentum kg m s-1 = mv Pressure pascal Pa p = F/a p Moment of a newton metre N m force Torque (couple) newton metre N m T = F x d T Energy J E / Q / W Work joule J W = F s w watt W P = W/t p
Note: All are spelled out using lower case, e.g. newtons, joules, volts, kilogram. Symbols of units that derive from the name of a physicist are all uppercase e.g. J, V etc. while symbols for all other units remain lowercase, e.g. the symbol for the kilogram is kg. http://physics.nist.gov/cuu/Units/checklist.html http://physics.nist.gov/cuu/pdf/typefaces.pdf (If typing these at any stage, note that both variables and constants should be italicised: v = u + at rather than v = u + at.) Check that you know these by covering over all but the first column. Let me know if I’ve missed any. Mechanics Quantity Symbol Unit Symbol Equation Area a metres squared m2 Volume v metres m3 Mass m kilogram kg Density kilogram per metre cubed kg m-3 = m/v Displacement s metre m Velocity v metre per second m s-1 v = d/t Acceleration a per second squared m s-2 F newton N F = ma Momentum kg m s-1 = mv Pressure p pascal Pa p = F/a Moment of a force newton metre N m Torque (couple) T newton metre N m T = F x d Energy E / Q / W J Work w joule J W = F s p watt W P = W/t
2.%20Scientific%20notation,%20symbols,%20units%20and%20equations.docx