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ASVAB Mechanical Comprehension Study Guide 2024
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ASVAB Mechanical Comprehension Study Guide 2024
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Tuesday, July 30, 2024 12:01 AMASVAB Mechanical Comprehension Study Guide 2024
force - ✔️✔️mass × acceleration
vector quantities - ✔️✔️forces that has both size and direction
equilibrium - ✔️✔️a stable situation in which forces cancel one another
velocity - ✔️✔️the speed and direction of a moving object
acceleration - ✔️✔️the rate at which velocity changes
pressure - ✔️✔️force (in pounds) ÷ area (in inches)
work - ✔️✔️force × distance
tension is measured in - ✔️✔️pounds-force or newtons
work is measured in - ✔️✔️foot-pounds
power - ✔️✔️work ÷ time
power is measured in - ✔️✔️horsepower (hp)
1 horsepower - ✔️✔️33,000 foot-pounds per minute or 550 foot-pounds per second
mechanical advantage - ✔️✔️when a machine multiplies the force you use
mechanical advantage - ✔️✔️resistance ÷ effort = output force ÷ input force
fulcrum - ✔️✔️point of support to reduce resistance and multiply the effect of effort
resistance arm - ✔️✔️the part of a lever that applies a force on an object
effort arm - ✔️✔️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 -
✔️✔️length of effort arm ÷ length of resistance arm = resistance force ÷ effort force
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