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Mechanics
Biomechanics
9
Physics
Undergraduate 2
09/29/2013

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Term
system is ...
Definition
a defined body or group of bodies or objects whose motion is to be examined
Term
what is inertia?
Definition
the body's resistance to change in a state of linear motion
Term
The amount of ______ a body has is determined by its mass which is the _________ ___ ________ ___ ________.
Definition
inertia, quantity of matter it contains
Term
what is the definition of force?
Definition
a push or pull which tends to cause change in a body's state of motion (N)
Term
4 elements of force:
Definition
-magnitude
-direction
-point of application
-line of action
Term
internal forces
Definition
are found entirely within the system. and it does not change the location of the center of gravity
Term
external forces
Definition
are found outside of the system. and it do tend to change the location or state of motion of the center of gravity
Term
Vector
Definition
a quantity which has both magnitude and direction
Term
what is the direction given by?
Definition
some angle
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