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- A 173 N was applied to a 92 kg block, find the normal force if the angle θ = 31.2 degrees.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 leftSAQ 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°
- Find the resultant of force Y 390 Ib MATHalino.com 12 30 1 1 300 lb 722 Ib Figure P-265A 422 N was applied to a 273 kg block, find the normal force if the angle 0 = 66.1 degrees. F Select one: Oa 2849.0997 N Ob. 2507.1603 N Oc. 2292.3148 N Od 2678.1300 NÁ В b y a Add three forces, A, B, and C, in above figure (not in scale) with given a = 5 m, b = 6 m, c = 4 m, A 20 N, B 61.4243 N, and C 105 N, R = ( i + j+ k) N
- PROBLEM 02 Find the angle between two vector forces whose maanitudes are F and 3F and the magnitude of whose resultant 19 3F.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 leftA manual roller of weight mg = 337.5 N is pushed with a force 182.8N at an angle 0, such that sin(e) = 0.4, with the horizontal direction. What is the force exerted by the floor on the box? F cose F sine mg
- 16. ao The drawing shows a rectangular piece of wood. The forces applied to corners B and D have the same magnitude of 12 N and are directed parallel to the long and short sides of the rectangle. The long side of the rectangle is twice as long as the short side. An axis of ro- tation is shown perpendicular to the plane of the rectangle at its center. A third force (not shown in the drawing) is applied to cor- ner A, directed along the short side of the rectangle (either toward B or away from B), such that the piece of wood is at equilib- rium. Find the magnitude and direction of the force applied to corner A. A D Axis Problem 16At what angle ở must the 800-lb force be applied in order that the resultant R of the two forces have a magnitude of 2000 Ib? For this condition, determine the angle B between R and the vertical. 1400 Ib 800 lbA 20 FIG. P 1-12 1-12. One component of the force P in Fig. P 1-12 is 600 lb up the plane through A. The other component is perpendicular to the plane. Determine P.