Unit:
Year: 1997 Question#: 8
Question: The magnitude of the vertical component of this force is approximately?
(1 ) 30 N
(2 ) 50 N
(3 ) 71 N
(4 ) 87 N
What is this question really asking?
Explanation by: Adam C.
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Answer 1
30 N
INCORRECT
This is a trig problem. Use the law of sines to figure out the magnitude. return to top
Answer 2
50 N
CORRECT
Using sine: sin30=X/100 X=50 N Don't forget to put your calculator into degree mode! return to top
Answer 3
71 N
INCORRECT
This is a trig problem. Use the law of sines to figure out the magnitude. return to top
Answer 4
87 N
INCORRECT
This is a trig problem. Use the law of sines to figure out the magnitude. return to top
What's this question really asking?
It's asking if you know to use trig to figure out magnitude. Also if you know the law of sines. return to top
