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18. We note that the rope is 22.0° from vertical – and therefore 68.0° from horizontal.
(a) With
T
= 760 N, then its components are
ˆˆ
ˆ
ˆ
cos 68.0 i+ sin 68.0 j=(285N)i+(705N) j
TT
T
=°
°
G
.
(b) No longer in contact with the cliff, the only other force on Tarzan is due to earth’s
gravity (his weight). Thus,
net
ˆ
ˆ
ˆ
(285 N) i+(705 N) j
(820 N) j
(285N)i
(115 N) j.
FT
W
=+ =
−
=
−
GG
G
(c) In a manner that is efficiently implemented on a vectorcapable calculator, we
convert from rectangular (
x
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Force

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