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74 Cards in this Set
- Front
- Back
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force equals?
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mass times acceleration
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a force is a ?
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push or pull that causes a change in shape or a change in motion.
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mass is the total amount of what
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matter in an object
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weight is what
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a force it is measured in newtons si/////and pounds english
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torque is what?
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the force like quantity in rotational mechanical systems.
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the net forces is
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the sum of two forces acting the same way
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prime movers i a fluid an elec and thermal systems are
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voltage an pressure
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density is found by
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mass times volume
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a hydrometer is used to measure
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density or speci ific gravity
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pressure is measured
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by dividing a unit of force by a unit of area
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manometers a used to measure
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preassure differences
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two types of fluids are
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hydraulic an air
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gases are what/ liquids are
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compressible /not
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presure increases
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in depth
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atomospheric pressure is what
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14.7psi
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weight density is what
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ratio of an objects weight to is volume
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voltage comes in what
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ac dc
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voltmeters measure what
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voltsage difference `
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multimeters measure
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volts amps and resistance
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temp difference acts as what
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prime mover in a heat system
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heat is a form of what.
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energy
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temperature is the measure of what
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average energy of motion
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work =what
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force
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input is what
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force going in to somthing
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output is what
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force that comes out
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heat is a form of what.
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energy
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temperature is the measure of what
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average energy of motion
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work =what
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force
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input is what
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force going in to somthing
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output is what
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force that comes out
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spring scales are used for what
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to measure input an output
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lever arm moves how
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around
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closed fluid system is what
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it moves throught out the system an dont loose any fluid
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open fluid system is what
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a fluid system that the fluid is lost
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6.28 radians =what
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one revolution
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viscosity is what
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how thick a substance is
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what will have more pressure under the same pressure a smaller pipe or a larger pipe
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the ,smaller pipe
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drag is what
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air holding somthing back
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the formula for ffluid resistance
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Rf=Dp/Qv
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resistors are what
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they help to controll voltage
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insulators are what
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the keep eletc of of something
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friction can be reduced by what
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lubricants
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semi conductors are what
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the just let alil energy in
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the potential energy is what
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is engrgy stored in something an it can go any time
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kinetic energy is wht
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energy going through the body
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power is what
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rate of doing work
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one watt is what
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one joule per sec
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one horse power =what
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550 footpounds
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one horse power =what
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746 watts
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kilowatt is what
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one unit of energy
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calories an btu are what
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units of energy
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convection is what
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transfer heat
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conduction is what
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movement of heat
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heat flow rate is synbolized by what
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Qh
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power
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is force
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two forms of resistance is what
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friction drag
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what is capactiors mesuried in
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hirries
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units of heat
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btu an calorie
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a ammeter is for what
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measure amps
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a dewar flasks is used to
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store a contain energy
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two forms of resistance is what
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friction drag
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what is capactiors mesuried in
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hirries
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units of heat
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btu an calorie
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a ammeter is for what
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measure amps
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a dewar flasks is used to
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store a contain energy
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two forms of resistance is what
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friction drag
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what is capactiors mesuried in
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hirries
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units of heat
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btu an calorie
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a ammeter is for what
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measure amps
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a dewar flasks is used to
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store an contain energy
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a coulomb is what
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6.25times10to the power of 18
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efficiency is what
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100%
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speed is similar
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to velocity
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a stroboscope is what
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measure anglur rate
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