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Semester Exam
everythang
19
Physics
Not Applicable
12/22/2004

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Cards

Term
Velocity
Definition
Displacement per unit time
Term
Instantaneous velocity
Definition
Velocity at any one specific instant of time at any one specific point in the path
Term
Speed
Definition
Distance per unit time
Term
Distance
Definition
The stright line movement
Term
Displacement
Definition
A change in position in a particular direction
Term
Motion
Definition
A change in position relative to a fixed object
Term
Free Fall
Definition
The motion under the influence of the gravatational force only
Term
displacement of an object at rest
Definition
0 meters
Term
acceleration due to gravity
Definition
free fall acceleration
Term
when there is no air resistance, objects of different masses
Definition
fall at equal acceleration with similar displacements
Term
which would hit the ground first in a vacum, a 100 ton weight or a feather
Definition
they would hit the ground at the same time
Term
which would fall with greater acceleration in a vacum, a leaf or a stone
Definition
they would fall at the same rate
Term
velocity has both
Definition
direction and unit
Term
speed is the magnitude of
Definition
velocity
Term
displacement is a
Definition
vector
Term
distance is a
Definition
scalar
Term
the slope on a position versus time graph is the
Definition
velocity
Term
the slope on a velocity verus time graph is
Definition
acceleration
Term
area under curve on a velocity versus time graph is
Definition
displacement
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