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