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What 3 categories does motion fall into? Ans✓✓✓translation, rotation,
and general motion
During translation, an object maintains the same what during motion?
Ans✓✓✓orientation
Translation can be what 2 motions? Ans✓✓✓rectilinear and curvilinear
What is rectilinear Ans✓✓✓all points of the object move in straight
lines; EX) block across table or ski jumper down ramp
What is curvilinear? Ans✓✓✓all points follow curved path; EX) ski
jumper in air
Does an object maintain the same orientation during rotation?
Ans✓✓✓no
What is rotation? Ans✓✓✓all points of object follow circular path about
some common center (axis) of rotation
, What are examples of rotation? Ans✓✓✓Arm ab/adduction during
jumping jacks, gymnast making giant swings on bar (side view), and
somersaulting diver in air
What is general motion? is it common? what are examples? Ans✓✓✓a
combination of translation and rotation; yes, very common; walking
across room (rectilinear and rotation at hips), bicycling (translation from
A to B and rotation at hips and wheels)
What is the description of motion without regard to the causes of that
motion? Ans✓✓✓kinematics
What does linear kinematics study? Ans✓✓✓translation (both recti and
curvilinear)
What does angular kinematics study? Ans✓✓✓rotation without the
concern for the rotation's causes
To properly describe linear motion, what are we really accounting for in
an object? Ans✓✓✓object's location in space and time
What is position? Ans✓✓✓a measure of location at any given instant of
time; another name is displacement; symbol = S; can be in 1, 2, or 3
dimensions