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Mechanical Comprehension - ASVAB
Questions and Correct Answers the
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What is Newton's Third Law of Motion?
✓ For every action, there is an equal and opposite reaction.
Equilibrium
✓ a state in which opposing forces or influences are balanced.
What is the definition and the danger of recoil?
✓ Recoil is the concept of "kicking back" or leaping back after being released. It may be
dangerous due to the possibility of injury upon having equipment "leap back" rapidly.
Another word for false gravity is ____.
✓ Centrifugal force
✓ Centrifugal force is the only phrase accurately adhering to the notion of gravity.
While tension, Newton's Law, and friction are all aspects of this portion of the test,
centrifugal force is the only accurate representation of false gravity.
"To adopt power" means ____ when working
✓ to increase speed and efficiency to become your absolute best.
✓ Power in manual work is focused on doing one's best, including improving overall
speed and efficiency.
A ____ should be applied if gear shafts are not parallel to one another.
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✓ Bevel gear
✓ Bevel gears are the only ones that can rectify troubles with parallel gears.
What is the advantage of using wheels and axles?
✓ Wheels and axles provide greater power, enabling workers to achieve greater
results with less effort.
What is the function of a vise in mechanical applications?
✓ In mechanical applications, vises are used to arrest motion. The purpose of a vise it
to hold an object in a single space. Not used for forward motion, nor used to simply
slow down efforts.
A hydraulic jack preforms the task of moving objects by ___.
✓ utilizing oil; because oil cannot be compressed, pressure is placed upon oil, resulting
in lifting motion.
The amount of force required to move an object depends on the frictional
forces between the object and its surroundings and must be calculated entirely
based on individual situations.
✓ In order to move an object initially at rest, a force greater than the coefficient of
static friction and the weight of the object must be applied. While levered
applications are useful, they are not necessarily the best method of using force. As
stated, the amount of force needed to move an object depends on more than just
the weight of the object (unless there is no friction involved).
The purpose of mechanical comprehension is ___.
✓ to inform workers on the proper use and function of machines
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