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Solution 4.5b

Revision as of 11:02, 23 March 2010 by Ian (Talk | contribs)

Using F2=H2+V2

and

tan=VH

Here

V=−3 N and H=4 N.

Substituting the given values

F2=42+−32=25

giving

F=5 N

Also

tan=4−3=B1

giving

=36.9