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Physics Asvab Questions And Answers With Verified Solutions Already Passed!!!
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Physics Asvab Questions And Answers With Verified Solutions Already Passed!!!
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Physics Asvab Questions And AnswersWith Verified Solutions Already
Passed!!!
force - ANSWER✔✔A push or pull, 1. magnitude of pull 2. direction of pull
vector quantity - ANSWER✔✔Magnitude and direction
concurrent forces - ANSWER✔✔When two or more forces push on an object,
combines to resultant
resultant - ANSWER✔✔Vector sum of all concurrent forces, right angle can use
Pythagorean theorem
torque - ANSWER✔✔Moment of a force, equal to the force times length of the
moment arm
fulcrum - ANSWER✔✔Stationary point about which an object rotates
scalar quantity - ANSWER✔✔Magnitude only
uniform motion - ANSWER✔✔Constant velocity
acceleration - ANSWER✔✔Change of velocity / time taken for change
uniformly accelerated motion - ANSWER✔✔Constant acceleration, eg: falling in
gravity or revolving in a circle
Newton's first law - ANSWER✔✔If the net force is zero, the velocity is constant
Newton's second law - ANSWER✔✔If the net force is not zero, the acceleration
produced is proportional to the net force and inversely proportional to the mass
inertia - ANSWER✔✔The greater the mass, the greater the force needed to
produce a given acceleration
, Newton's third law - ANSWER✔✔When one object exerts a force on another, the
second force exerts and equal and opposite force on the first
centripetal force - ANSWER✔✔The force which keeps an object moving around a
circle in a circular path
Newton's law of universal gravitation - ANSWER✔✔Two objects attract each
other with a force proportional to the product of their masses and inversely
proportional to hte sqare of the distance between them
center of gravity - ANSWER✔✔Where the resultant lies when every part of an
object is pulled by gravity
work - ANSWER✔✔When a force moves an object, units ~> foot-pound (ft-lb),
joule (N•m or kg•m/s), or erg (g•m/s)
energy - ANSWER✔✔Ability to do work, work is done to give an object potential
energy, kinetic energy, overcome friction, units are the same as work
conservation of energy - ANSWER✔✔Energy cannot be created or destroyed, but
changed from one form to another
power - ANSWER✔✔Rate of doing work, force*distance/time, hp = 550 ft-lb/sec,
hp = 746 watts, 1watt = 1 joule/sec
six simple machines - ANSWER✔✔Lever, pulley, wheel and axle, inclined plane,
screw, wedge
fluid - ANSWER✔✔Both liquids and gases
pressure - ANSWER✔✔Force per unit area
density - ANSWER✔✔Mass per unit volume
Pascal's principle - ANSWER✔✔Pressure on a fluid is transferred throughout
without any loss, the pressure acts perpendicularly on all surfaces
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