ASVAB Mechanical Comprehension 37 Questions with Verified Answers,100% CORRECT

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ASVAB Mechanical Comprehension 37 Questions with Verified Answers force - CORRECT ANSWER mass × acceleration vector quantities - CORRECT ANSWER forces that has both size and direction equi... librium - CORRECT ANSWER a stable situation in which forces cancel one another velocity - CORRECT ANSWER the speed and direction of a moving object acceleration - CORRECT ANSWER the rate at which velocity changes pressure - CORRECT ANSWER force (in pounds) ÷ area (in inches) work - CORRECT ANSWER force × distance tension is measured in - CORRECT ANSWER pounds-force or newtons work is measured in - CORRECT ANSWER foot-pounds power - CORRECT ANSWER work ÷ time power is measured in - CORRECT ANSWER horsepower (hp) 1 horsepower - CORRECT ANSWER 33,000 foot-pounds per minute or 550 foot-pounds per second mechanical advantage - CORRECT ANSWER when a machine multiplies the force you use mechanical advantage - CORRECT ANSWER resistance ÷ effort = output force ÷ input force fulcrum - CORRECT ANSWER point of support to reduce resistance and multiply the effect of effort resistance arm - CORRECT ANSWER the part of a lever that applies a force on an object effort arm - CORRECT ANSWER the part of a lever that you apply an input effort force to. to determine how much a lever reduces the amount of effort needed to do work - CORRECT ANSWER length of effort arm ÷ length of resistance arm = resistance force ÷ effort force mechanical advantage of using a lever - CORRECT ANSWER effort arm ÷ resistance arm mechanical advantage of using a ramp - CORRECT ANSWER length of ramp ÷ height of ramp = weight of object being moved ÷ force required to move object block and tackle pulleys - CORRECT ANSWER make lifting heavy objects easier or change the direction of the pull a simple pulley - CORRECT ANSWER force must equal the weight of the object gears - CORRECT ANSWER used to change direction, increase or decrease speed, or increase or decrease force if you have an even number of gears connected in a series - CORRECT ANSWER the first and last gear turn in opposite directions if you have an odd number of gears connected in a series - CORRECT ANSWER the first and last gear turn in the same direction number of teeth - CORRECT ANSWER the speed at which a gear rotates depends on the ______ bevel gears - CORRECT ANSWER used to connect gears that have shafts (that aren't parallel to one another) at different angles drive other pulleys - CORRECT ANSWER when connected by a system of belts, pulley can do what? diameter of the pulley in relation to the diameter of the pulley that's driving it - CORRECT ANSWER how fast a pulley rotates depends of what? wheel and axle - CORRECT ANSWER multiplies the effort used producing a greater force wheel and axle - CORRECT ANSWER are fixed together and turn at the same time; ex. using a steering wheel wheel and axle mechanical advantage - CORRECT ANSWER the relationship between the radius of the wheel and the radius of the area to which force is being applied pitch - CORRECT ANSWER the distance between the ridges of the spiral (on the screw of a vise) is called the _____ of the thread greater - CORRECT ANSWER the ____ the pitch of the thread, the farther the jaws of the vice move for each revolution of the handle more - CORRECT ANSWER larger pitches require ____ force to rotate the handle than screws with smaller pitches do hydraulic jack - CORRECT ANSWER uses a nearly incompressible liquid, such as oil, to exert force in order to move an object mechanical advantage of a hydraulic jack - CORRECT ANSWER the ratio between the diameters of the two cylinders [Show More]

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