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Solution 4.5b

From Mechanics

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Ian (Talk | contribs)
(New page: Image:teori4.gif Using <math>{{F}^{2}}={{H}^{2}}+{{V}^{2}}</math> and <math>\tan \alpha =\frac{V}{H} </math> Here <math>V=-3\ \text{N}</math> and <math>H=4\ \text{N}</math>....)
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Revision as of 11:02, 23 March 2010

Image:teori4.gif

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=43=B1

giving

=36.9