Abeka Physics Chapter 7
This set covers Abeka Physics Chapter 7: "Vectors and Projectile Motion" (pages 94-109).
Terms in this set (...)
term for any quantity having both a magnitude and a direction
Two vectors are equal if their arrows have the same ______ and the same _____.
Two vectors that act in the same direction are _____ vectors.
term for moving vectors without rotation
Two vectors that act in opposite directions are ______ vectors.
term for parallel or antiparallel vectors that act along the same line
term for vectors that act at right angles to each other
term for vectors that act at angles that are not equal to 0 degrees or multiples of 90 degrees
term for two or more vectors that act simultaneously upon the same point
term for a simple picture that summarizes the various vectors acting on one point
term for a single vector that represents the same effect as the concurrent vectors acting separately
term for the process of finding the resultant of two or more concurrent vectors
Because vector addition is ______, the vectors can be added in any order to give the same resultant.
by adding all three vectors together
How would you find the resultant of three
the best method for finding the vector composition of perpendicular vectors
The parallelogram method is a good way for adding ____ vectors.
law of sines and law of cosines
the two laws that may be used in the parallelogram method of vector composition
term for the replacement of one skewed vector by two perpendicular vectors that, when acting jointly, have the same net effect as the original vector
term for each of the perpendicular vectors in vector resolution
term for anything hurled through the air or space that is not self-propelled
The influence of gravity is always _____ to an object's horizontal velocity component.
True or False: In a vacuum, the downward acceleration is the same for
falling objects, regardless of their horizontal motion or surface area.
For objects in free fall motion, the upward velocity and downward velocity are equal in ______ at the same positions, ignoring the effects of air resistance.
Angles in the ______ position with respect to the positive x-axis are
term for the path of a projectile
term for the distance a projectile travels vertically
term for the distance a projectile travels horizontally
term for the velocity required to obtain an orbit
True or False: The critical velocity of different objects differs based on their weights and shapes.
distance from the earth's center and acceleration due to gravity
the two factors that determine the critical velocity of an object
term for the velocity required to burst the bonds of the earth
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