Ch. 2: Mechanical Equilibrium
Based on Conceptual Physics by: Paul G. Hewitt Vocabulary and so extra terms!
Terms in this set (23)
An influence that tends to accelerate an object; a push or pull
Net Force definition
The combination of all the forces that act on an object.
An arrow whose length represents the magnitude of a quantity and whose direction represents the direction of the quantity.
A quantity in physics, such as force, that has both magnitude and direction.
A quantity in physics that can be completely specified by its magnitude, and has no direction.
A state wherein no physical changes occur.
For any objects in mechanical equilibrium, the vector sum of the forces on it are zero.
Force that completely balances the weight of an object at rest.
Is the upward force action on a suspended object. (Stretching force).
Is the downward force caused by gravitational pull.
Support Force Direction
(Normal Force) Upward Force.
Net Force in equilibrium
object state in Static Equilibrium
Objects at rest.
object state in Dynamic Equilibrium
Objects moving at constant speed in a straight-line path.
Time, Area, Volume
the sum of two or more vectors
How do you find the resultant?
use the parallelogram rule
If using the parallelogram rule what is the resultant?
What are the Force states of motion?
at rest, or moving in a uniform line.
Scalar items can be.......
added, subtracted, multiplied, and divided like ordinary numbers.
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