Calculate the net force: 8n 10n 18N or 2N 18N 2N – InterviewSolution

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1.	Calculate the net force: 8n 10n 18N or 2N 18N 2N
Answer» A+B=16...(1)tanα= A+BcosθBsinθ =tan90Thus, A+Bcosθ=0⇒cosθ=− BA ...(2)We ALSO have: 8= A 2 +B 2 +2ABcosθ ...(3)Solving these we get, A=6N and B=10N

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