Question

Problem 10. If two forces are acting on a beam as shown, and FI -10 N, and F2 - 15 N, what is the force of F3n if the beam is not to move? Problem 11. Four people are pushing on a door as shown on the figure, and the forces given are; FI - 10 N, F3 - 15 N, F4 is 35 N, what is the force of F2 if the door is not moving? Problem 12. If a cylinder is sitting on the ground that is 20 feet high, and has a radius of 5 feet and the weight is 300 kN, what is the pressure of the cylinder on the pad? Problem 13. A spring is conneted to a frame as shown. The original length is 3.5 cm, and after putting the weight at the end of the spring it stretches to the distance shown. The given spring constant was given on as k-0.28 N/mm. What is the force on the spring? Problem 14. Compute the attratcive force of my cat and dog with their masses as 10 kg and 30 kg, The cat and dog are standing about 1.5 meters apart. Compare their attratcive force to their weights. Problem 15. Given; a rectangular box with dimensions of 30 ft x 50ft and 50 ft in height and has a mass of 50 kg sits on a concrete pad and a circular tank that has a radius of 2.5 m and is 10

Answer 1

BIEXPRESS SPORTS problem lo : F =10N . Since the beam does not move E (vertical fores) = 0 => -F - F + Fz = 0 =) -10 -15 + F = 0 -> F3 = 25 N problemll: Since the door does not more .::[ (Horis cuital forces) = 0 => - F4 + F3 + F + Esimsy = 0 :-):-35+15+10+ f sims4=0. => [F2 = 12:36N/ F =ON q=35 k. Fo=150 Problem 12. Radius, R = 5ft weight, W = 300kn Height, H = 20 ft pressure on pad, p = 4 4 = 300 p= 300 g IP = 3.819 kN/6427