3.2 Let d = 1 a) Calculate the vector projection of a in the direction of b. For the position vectors a = 4di + 2d) - 4dk and b = -1 - 23 + k: much weight does each chain support? b) Calculate the vector rejection of a in the direction perpendicular to b. c) A 200 kg engine is suspended from two chains that form 60 degree angles with a horizontal ceiling. How Uni Unive. Univers on niversity nas ty 202 2 22