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57 Cards in this Set
- Front
- Back
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force equals mass times_____
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acceleration
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a____ is a push or pull
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force
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mass is the total amount of ____ in an object
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matter
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weight is the measurement of gravity times___
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mass
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torque is the force-like quantity in _____ mech. systems
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rotational
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when forces act in the same direction, the ____ is the sum of 2 forces
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net force
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in fluid, electrical, and thermal systems there are "____" quantites
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force-like
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density is fouund by dividing mass by ____
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volume
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a ____ is used to measure density
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hydrometer
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_____ is measured by dividing a unit of force by a unit of area
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pressure
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manometers are used to measure _____
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pressure difference
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the 2 types of fluids are hydraulic and _____
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pneumatics
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gasses are compressable, liquids are ____
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not
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pressure increases with ____
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depth
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_____ pressure is measured in reference to a vacuum
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absolute
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weight density is the ratio of an object's weight to its ____
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volume
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voltage comes in 2 forms DC and ___
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AC
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voltmeter measure _____
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voltage difference
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multimeter measures voltage, amperage, and ______
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resistance
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the positive pole on a battery is the ____
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anode
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electrical curcuits contain a ____
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source
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temp. diff. acts as the prime mover in a _____
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thermal systems
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heat is a form of ____
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energy
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temp. is the measure of the average energy of ____
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motion
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thermocouples use three wires of 2 different ____
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metals
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the degree symbol is placed in front of the F or C when measuring a ____
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temperature
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work equals ____
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force
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input work is work going ____ a system
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into
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output work is work going ____ of the system
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out
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efficiency is output work divided by ____ work
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input
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spring scales are used to measure ____ and output
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input
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in rotational mech. systems, work is equal to _____ multiplied by the angle the lever arm moves through
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torque
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the basic ___ unit of work is in foot-pounds
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english
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the basic ____ unit of work is newton-meter
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SI
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linear mech. work is performed when a ____ is moved in a straight line
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mass
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angular mech. work is performed when a mass is moved around an ______ ___ ____
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axis of rotation
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_______ _______ causes an object to start moving
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mech. work
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fluid work is equal to the pressure difference times the _____ moved
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volume
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when given the ____ a fluid is raised, you must also know the weight density
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height
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in a closed fluid system such as a _____ brake system
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hydraulic
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there is no such thing as ____ or angular work
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linear
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the pressure exerted by a piston _____ by the area
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multiplied
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the ______ area of cylinder can be found by multiplying .7854 by diameter(squared)
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cross_sectional
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electrical work is done when a _____ move specified amount of charge
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voltage
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a ______ is a quantity of charge equal to 6.25 times 10(to the 18th power)
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coulomb
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electrical charge can be calculated by multiplying ____ by time
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amperes
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the basic unit of ______ work is the joule
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electrical
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input work performed by an ______ pump or motor will be given in joules
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electrical
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a ____ is a displacement-like quantity divided by elapsed time
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rate
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velocity is the measure of _____ mech. work
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linear
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speed is similar to velocity, but it is ___
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scalar
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units of ____ mech. rate are the foot per second
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linear
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angular rate is expressed in _____ ____ ____
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radians per second
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there are _____ radians in one rev.
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6.28
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a stroboscope is used to measure _____
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angular rate
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acceleration is the rate at which speed _____ or ______
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increases, decreases
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in fluid systems, flow rate is the _____ of fluid moved in a given period time
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volume
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