Given-that-forces-F-1-and-F-2-position-vectors-r-1-and-r-2-F-1-2i-3j-N-r-1-i-2j-F-2-i-7j-N-r-2-3i-4j-Given-that-these-system-of-forces-form-a-couple-f

Question Number 87754 by Rio Michael last updated on 06/Apr/20

Given that forces F_{1} and F_{2} position vectors r_{1} and r_{2}

F_{1} = (2 i + 3 j) N r_{1} = i + 2 j

F_{2} = (α i - 7 j) N r_{2} = 3 i + 4 j

Given that these system of forces form a couple

find the value of α .