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34. (a) Using notation suitable to a vector capable calculator, the
F
net
→
= 0 condition
becomes
F
1
→
+
F
2
→
+
F
3
→
=
(6.00
∠
150º)
+
(7.00
∠−
60.0º)
+
F
3
→
= 0 .
Thus,
F
3
→
=
(1.70 N) i
^
+ (3.06 N)j
^
.
(b) A constant velocity condition requires zero acceleration, so the answer is the same.
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 Spring '08
 Any
 Physics, Acceleration

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