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Three forces 20N, 30N, and 40N are in equilibrium. Find the angle between the 30N force and
the 40N force.
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- PROBLEM 02 Find the angle between two vector forces whose maanitudes are F and 3F and the magnitude of whose resultant 19 3F.Find the resultant of force Y 390 Ib MATHalino.com 12 30 1 1 300 lb 722 Ib Figure P-265Three forces 20N, 30N, and 40N are in equilibrium. Find the largest angle in degrees they make with each other.
- The forces are in static equilibrium. The 140 lb force is directed along the x-axis and the 300 lb force is directed along the negative z- axis. Determine the magnitude of the unknown force, R. Z X R Ox лог 140lb A (-50, 80, 160) lb By 300 lb уFive forces are acting on the cantilever beam AB.Find the resultant or a couple acting on the cantilever beam.The upper leg muscle (quadriceps) exerts a force of Fo= 1300 N, which is carried by a tendon over the kneecap (the patella) at the angles shown in the figure below. 55 Fo 75° Find the magnitude in newtons and direction in degrees counter-clockwise from an axis directed to the left of the force exerted by the kneecap on the upper leg bone (the femur). magnitude N direction ° counter-clockwise from an axis directed to the left
- The upper leg muscle (quadriceps) exerts a force of F, = 1240 N, which is carried by a tendon over the kneecap (the patella) at the angles shown in the figure below. Fo 55° 75 F. Find the magnitude in newtons and direction in degrees counter-clockwise from an axis directed to the left of the force exerted by the kneecap on the upper leg bone (the femur). magnitude direction ° counter-clockwise from an axis directed to the left. If R is the resultant of the forces P and Q, find P and Q.Three forces pull an object: F1 = 50 N towards the +x; F2 = 50 N towards the +y and F3 = 70 N, 30o below –x. What force will balance the three?
- A 500 N, is placed against ladder 15.0 m. long, weight a frietion less wall If the edge of the ladder is at 6o degree angle to the a horizon tal A) Find the horizontal and vertical for ces of the acting the step avea on when a fire fighter weighing s00 N is stand ing a ladder on 4.0 m. a bove the floor. Answer [268 N in direction t x , 1,300 N in direction o y] B) when fire fighter is q.0m above the floor, the ladder slips, a find the coef ficient of static friction between the ladder and the floor A uswer [ o.324]PROBLEM 02 Find the angle between two vector forces whose magnitudes are F and 3F and the magnitude of whose resultant 19 3F. PROBLEM 03 A force T passing through points A and B as shown, has a counterclockwise moment of 400 KN-m about point O. If the coordinates of points A and B are (0,6) and (8,0) in meters, compute the value of force T. PROBLEM 04 The resultant of the concurrent forces shown 15 1OOKN with O, of 60° directed DR. Determine the unknown force. Figure, PROBLEM 05. Refer to problem SP203. Q = 10 KN %3D Change P=25 KN up to the left at 30 degrees w/ x-axis, Q=30 KN, W=35 KN, T=18 KN directed to the right. F = ? 3| 4 P = 30 KN T = 20 KNSAQ 1 1.2 m D C An 80-kn'm couple shown in the plate is caused by a pair of parallel forces of magnitude F (not shown). Determine: 80 kN m a) the smallest possible value of F, and 1.6 m b) the value of F if the forces act at points A and C and are parallel to the dashed line shown at A. A В 60°