A spring of stiffness factor 98 N/m is pulled through 20 cm. Find the restoring force and compute the mass which should be attached so as to stretch in spring by same amount.
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- A uniform bar 6 m long is held by ropes at the ends making angle 60° and 30°, respectively, with the horizontal. A weight of 400 N is hung 1.0 m from the left end where the 60° rope is attached. Find the tension in the rope and the weight of the bar.A vertical bar of length L with mass of 40 kg is rotated vertically about its one end at 40 rpm. Find the length of the bar if it makes and angle of 45° with the vertical.Want in detail
- A wooden plank x meters long has one end leaning on top of a vertical wall 1.5 m long and the other end resting on a horizontal ground. Neglecting friction, find x if a force (parallel on the plank) of 100 N is needed to pull a 400 N block up the plank.Calculate the tension T (N) required to steadily pull the cable over a roller support on the utility pole. Neglect the effect of the friction. The cable is horizontal at A, has a mass 7kg/m. Also find the length of cable from A to B. Tension "T" (N) A 30 m T B 10 m Find the length of cable from A to B (m) Don't submit Ai, Only handwritten.A. A car's body has mass 100 slugs. This mass is supported by the car's 4 shock absorbers. The shock absorbers are identical vertical linear springs. Complete a FBD of the car's body (this would not include the car's wheels, axels etc. just the car's body) Each spring is compressed 1.25 inches. Determine the spring "k" value. Answer: 644 lb/inch. Find the compression of each spring if 4 people, each with mass 6 slugs, get into the car, Answer: 1.55" ii. iii.
- Please answer the problem in the picture below. Please show the complete solution. Thank you very much!The lever weighs 275N, uniformly distributed. The system is at static equilibrium. Find the horizontal reaction force in Newtons at A.A 1—ft cable weighing 5 lb / ft supports a safe weighing 500 lb. Find the work done inwinding 80 ft of the cable on a drum.
- R1 R2 R3 P) For the given pulleys compound system : (a) Find the Ideal Mechanical Advantage (IMA) (b) The required applied force (F) to lift 450 N load F: Applied load (c) The anchor reactions (R1, R2 and R3) (d) the movement acceleration of the load (e) Resketch the given pulleys system and label the tension force value in each part (line) of the rope. 450 N Compound Systems1., A beam rests on a fulcrum, 1.2 m from one end. A weight of 350kg is suspended from this end causing the beam to balance. If the weight of 350 kg is suspended on the opposite end of the beam, it is necessary to suspend a 1000 kg weight on the first end in order to effect an even balance. Find the length of the beam.A weight W= 120 kN is being supported by steel sections with force T, force F, andforce C. The coordinates of A, B, C, and D are given. Assume that E is the origin(0,0,0). Determine Forces T, F, and C. (Hint: Produce three equations fromequilibrium of force system)Note: The Forces T, F, and C must be computed accurately to design the proper sizes ofsteel sections in the subject “Steel Design.”

