Two forces of 5N & 7N act on a particle with an angle of 60 degree between them. Find the resultant force.
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............... here(F)1=5 N
(F) 2=7N ......
angle Φ =60°
resultant force = √{(5)^2+(7)^2+2*5*7*cos 60°}
=√ {25+49+70*1/2}
= √(74+35)
= √ 109
= 10.44 N
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(F) 2=7N ......
angle Φ =60°
resultant force = √{(5)^2+(7)^2+2*5*7*cos 60°}
=√ {25+49+70*1/2}
= √(74+35)
= √ 109
= 10.44 N
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