2-53. Determine the magnitude of force F so that the resultant force of the three forces is as small as possible. What is the magnitude of the resultant force? F 14 kN 30 8 kN

For the given force system. A force P = 100 N is acting at 30° from the horizontal. 1. Which of the following most nearly gives the y- component of P with respect to x and y axis?  a. 50 N b. 70 N c. 80 N d. 60 N 2. Which of the following most nearly gives the y- component of P with respect to x’ and y axis?  a. 80 N b. 100 N c. 70 N d. 50 N 3. Which of the following most nearly gives the y- component of P with respect to x’ and y’ axis? a. 95.4 N b. 86.6 N c. 75.7 N d 82.5 N

If the vertical component of the force F applied to the ring is 10 lb, determine the magnitude F and also the horizontal component. F 300

3. Determine the moment of the force F about point P. P A 360 mm 500 mm X x 2 m -3 m O 3 m 2 m 4. The magnitude of the force P is 250 N. Determine the moments of P about point O. A P 600 mm x 1 m Y F = {2i+ 4j6k) kN 3 m y