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1)Ọuadri 1 a terarHyperbola.4)-F-2N,F.-27 +3Threeforces+cle. The value of a so that particle may be in equilibrium2) 43)24161 4

Answer»

the vector sum of three forces should be zero for the body to be in equilibrium F1+F2+F3=0givenF1=2i+j-k F2=2i+3j-3k F3=a(I+j-k)nowF1+F2+F3=(4+a)i+(4+a)j-(4+a)k=04+a=0a=-4



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