2/21 Determine the components of the 800-lb force F along the oblique axes a and b. Also, determine the projections of F onto the a- and b-axes. F = 800 lb a 60° 45° a Problem 2/21 2/22 Determine the components F, and F₁ of the 4-kN force along the oblique axes a and b. Determine the projections P and P of F onto the a- and b-axes. 30° 下150 40° Problem 2/22 F = 4 kN x 2/21 F = 1093 lb, F = 980 lb P₁ =400 lb, P = 207 lb a 2/22 Fa = 1.935 kN, F₁ = 2.39 kN b Pa =3.63 kN, P₁ = 3.76 kN