Chapt. 5
Newton’s Laws and Dynamics I
51
a) outside of the object.
b) neither inside nor outside the object.
c) at the point about which the object is symmetric in 2 of the dimensions, but not in the
3rd.
d) at the point about which the object is symmetric in 1 of the dimensions, but not in the
other 2.
e) at the geometric center.
005 qmult 00630 2 5 1 moderate thinking: center of mass, 3d symmetry 2
Extra keywords:
Not a brilliant problem
24. The center of mass of an object is easily found if the object is:
a) symmetric in
THREE
mutually perpendicular directions like, for example, a rectangular
block.
b) symmetric in
TWO
mutually perpendicular directions, but not in the third direction
perpendicular to the first two.
c) symmetric in
ONE
direction, but not in two mutually perpendicular directions that are
perpendicular to the first one.
d) completely irregular.
e) made out of whipped cream.
005 qmult 00640 1 5 3 easy thinking: center of mass, symmetric sphere
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 Fall '06
 Buchler
 Physics, Calculus, Geometry, Rigid Body, hoop center of mass

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