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Test Bank for College Physics 1 Final 11th edition by Hugh D Young
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Test Bank for College Physics 1 Final11th edition by Hugh D Young
Vector - ANSA quantity with both magnitude and direction
Scalar - ANSA physical quantity that has magnitude only.
Mechanics - ANSBranch of physics regarding interactions between objects and their impact on
object's motion
Force - ANSA push of pull that has the capacity to change the (translational) motion of the
object acted upon.
System - ANScollection of objects under consideration
Internal Forces - ANSforces between objects in system
External Forces - ANSforces between system & objects outside the system
Kinematics - ANSthe study of describing motion
position - ANSr (vector); vector that indicates the location of an object with respect to a specified
origin
displacement - ANSDistance and direction of an object's change in position from the starting
point. (Origin Independent)
distance - ANSlength of path traveled (scalar)
speed - ANSDistance traveled per unit time.
velocity - ANSTime rate change of position
acceleration - ANSTime rate change of velocity
inertia - ANSresistance to change in motion
mass - ANSa. A measure of inertia.
b. Source of gravity
c. Strength of interaction with "Higgs Field"
, Newton's First Law - ANSAn object will maintain it's motion unless acted upon by an unbalanced
outside force.
Newton's Second Law - ANSSum of the forces = mass x acceleration
Newton's Third Law - ANSAn object cannot exert a force on something without the second
object exerting an equal in magnitude and opposite in direction force on the first object.
Free Fall - ANSa = g = -9.8m/s^2
Projectile Motion - ANSType of free fall. Only force is gravity. Has an initial horizontal velocity.
Apparent Weight - ANSthe force experienced by an object, resulting from all the forces acting on
it, giving the object an acceleration. This is the Force Normal.
Orbit - ANSType of free fall where apparent weight is 0 "weightlessness"
Angle - ANSTheta (vector)
Angular Displacement - ANSChange in Theta (vector)
Angular Velocity - ANSOmega (Vector)
Angular Acceleration - ANSThe rate of change of angular velocity.
Alpha
Arclength - ANSS
Tangential Velocity - ANSThe speed of an object at a point as it moves around the
circumference of a circle. Vtan (vector)
Tangential Acceleration - ANSATan (vector)
Can only change magnitude of velocity
Always parallel to velocity
Centripetal Acceleration - ANSAcceleration of an object toward the center of a curved or circular
path.
Can only change direction of velocity
Always perpendicular to velocity
Rotation - ANSAxis of rotation within the object
Revolution - ANSAxis of rotation outside of object
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