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### 14 Cards in this Set

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 What are some examples of fundamental measurements? Mass, and temperature What are some examples of derived measurements? Speed; distance divided by time What is a scalar quantity? Quantity that has only magnitude. An example is density, volume and mass What is a vector quantity? Quantity that has a magnitude AND direction. Wxamples inlude Force, velocity and acceleration What is rate? Distance like quantity divided by time What is the mechanical rate formula (speed) and units? Speed = distance/time. The units are mi/hr ; ft/sec ; m/s ; km/s What is the rotary rate formula and units? w = q/t. The units are rad/sec What is the linear acceleration formula and units? a = Vf-Vi/t. The units are m/s2 ; ft/s2 What is the rotary acceleration formula and units? µ = Wf-Wi/t. The units are rad/s2 What is the volume flow rate formula and units? Qv = V/t. the units gal/min What is the mass flow rate formula and units? Qm = m/t. the units kg/hr What is the heat flow rate formula and units? Qh = h/t. the units are cal/sec ; J/h ; Btu/hr What is the electric flow rate formula and units? Qe = q/t the units are 1 Amp= 1 c/s = 6.25 x 10^18 elec/sec What is wieght? Fw = mass x gravitation constant (9.8m/s2) kg/m = N