document.write( "Question 986751: n object, that remains at rest, is acted upon by three forces F1, F2 and F3. The component forms of F1 and F2 are given by\r
\n" ); document.write( "\n" ); document.write( "F1 = ai + bj and F2 = ci + dj\r
\n" ); document.write( "\n" ); document.write( "where a = -198, b = 2, c = 71 and d = -40. If the component form of F3 is of the form F3 = xi + yj\r
\n" ); document.write( "\n" ); document.write( "then what is the value of x? \n" ); document.write( "

Algebra.Com's Answer #607526 by Fombitz(32388) $\"\"$ $\"About$

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Sum of the forces in the x and y directions must equal zero since the body is at rest.
\n" ); document.write( "1. $\"a%2Bc%2Bx=0\"$
\n" ); document.write( "2. $\"b%2Bd%2By=0\"$
\n" ); document.write( "Substituting into eq. 1,
\n" ); document.write( " $\"-198%2B71%2Bx=0\"$
\n" ); document.write( " $\"x=127\"$
\n" ); document.write( " \n" ); document.write( "

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