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Section 1 Mechanical Equilibrim
Vocabulary for Section 1 Mechanical Equilibrium
9
Physics
11th Grade
06/30/2011

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Term
force
Definition
Any influence that ends to accelerate an object; a push or a pull, measured in newtons. A vector quantity.
Term
net force
Definition
The combination of all the forces that act on an object.
Term
Vector
Definition
An arrow whose length represents the magnitude of a quantity and whose direction represents the direction of the quantity. 
Term
vector quantity
Definition
A quantity in physics, such as force, that has both magnitude and direction.
Term
scalar quantity
Definition
A quantity in physics, such as mass, volume, and time, that can be completely specified by its magnitude, and has no direction.
Term
mechanical equilibrium
Definition
A state wherein no physical change occurs.
Term
Equilibrium rule
Definition
An object is in mechanical equilibrium whenever the net force on the object is zero.
Term
Support force
Definition
Force that completely balances the weight of an object at rest.
Term
resultant
Definition
The vector sum of two or more component vectors.
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