Physics 112
Homework #13
Fall 2005
Read:
Chapter 13 (intro., sections 13.1 thru 13.4)
For study:
Chap. 13: Qs #Q13.1, Q13.4, Q13.5, Q13.6, Q13.7
(not turned in)
Due Wednesday, Nov. 23 at lecture:
#13.19
[Oscillation Function]
#13.27
[Energy in SHM]
#13.71
[SHM of Butcher's Scale]
#13.63 [Block on Block + Spring]
Please add:
(b)
Draw two graphs showing the net force
Σ
F
x
(t) acting on the block as a function of time t for two different frequencies, one twice the
other, both at the same amplitude with the block not slipping.
Position these two graphs
one above the other on separate sets of axes.
Please be sure that their time axes are
synchronized and that their force axes are drawn to the same scale.
1.
[SHM Functions & Graphs]
The position as a function of time t for a block of mass m
oscillating on a horizontal ideal spring of spring constant k is
x(t) = A
cos(
ω
t).
(a)
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 Fall '07
 LECLAIR,A
 mechanics, Energy, Force, Friction, Mass, Work, net force

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