Answers by visitors named: Damon dot product

direction of force = 5 i - 3 j make that a unit vector sqrt (25 + 9) = sqrt (34) so Force vector F = (5/sqrt34)(5i-3j) direction of motion vector = 7 i -10 j make that a unit vector sqrt(49 + 100) = sqrt(149) so motion vector D = (12/sqrt149) (7i-10 j) Work = F dot D = (5/sqrt34)(12/sqrt149)(35+30) =.843(65) = 54.8 foot pounds