The angle between two force a and b vectors is 114o. The scalar projection of is –
13 N. Determine the magnitude of b.
Can the magnitude be a negative number?
2 answers
will the answer to this question be a positive number?
no, the magnitude is not negative. The cosine of 114 is negative.
-.407
|a| |b| cos 114 = -13
need to know |a| to get |b|
-.407
|a| |b| cos 114 = -13
need to know |a| to get |b|
1 answer