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11 Cards in this Set

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any change in position over time is an example of...
motion
the newton is the SI unit of...
force
a change in a moving object's direction always results in a change in its...
velocity
force that always acts as to oppose motion...
frictional
the______of an object can change with its location
weight
if passengers on an airplane watch another plane passing by them, their frame of reference is the-
plane they are in
which type of friction causes a sky diver's aceleration to chnge as she falls?
fluid friction
to caculate and objects acceleration, you need to know
starting velocity, final velocity, and the time it takes to change velocity
the force of gravity is greater between two objects that-
have greater masses
wut kind of friction is involved in moving a washer
sliding
if they couldnt move the washer it would be-
static