P) For the given pulleys compound system : (a) Find the ldeal Mechanical Advantage (IMA) (b) The required applied force (F) to lift 450 N 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.

The frame shown is fitted with three 45 cm diameter frictionless pulleys. A force of F = 575 N is applied to the rope at an angle = 42°. Member ABCD is attached to the wall by a fixed support at A. Find the forces indicated below. Note: The rope is tangent to the pully (D) and not secured at the 3 o'clock position. a. Variable Value 68 cm 45 cm 64 cm 169 cm a b •G с d b Values for dimensions on the figure are given in the following table. Note the figure may not be to scale. * .E N. d XÂN-m. @c030 BY NC SA 2013 Michael Swanbom For all answers, take zas positive to the right and y as positive upward. At point A, the fixed support exerts a force of: = 190 ✓i+ 427 and a reaction couple of: MA 1402 Member CG is in compression 337 N and carries a force of magnitude

If F = 810 N , determine the tension developed in cables AB, AC, and AD

Q.4) A bent bar ABC is supported and subjected to forces as shown below. Find the reactions on the bar at A, B and C. Neglect friction and the weight of the bar. Assume the wheel and the slider only contacts one surface at a time. 300 N A 2.5 m B 2.5 m 25 Smooth slot- 40° 1.5 m 400 N C 1.5 m

The structure shown in the figure carries a 5000 kg platform. Considering that the structure has also singular forces at joints C and D:a) Determine the reactions at the supports, b) Also determine the forces in members AB, AC, AD, and BD. State whether each member is in tension or compression. Note 1: Take the gravitational acceleration as 10 m/s2.Note 2: Assume that all connections between members are pin joints.

Q2/ In the nucleus pulposus of an intervertebral disc, the compressive load is 1.5 times the externally applied load. In the annulus fibrosus, the compressive force is 0.5 times the external load. What are the compressive loads on the nucleus pulposus and annulus fibrosus of the L5-S1 intervertebral disc of a 90 kg man holding a 50 kg weight bar across his shoulders, given that 63% of body weight is distributed below the disc?

Please provide the diagnosis, free body diagram, reaction forces and internal forces for the following figure:

O16 ll zain IQ Capture.PNG → PROBLEM-6 (HW)The system consisting of the bar O.1, two identical pulleys, and a section of thin tape is subjected to the two 1SO-N tensile forces shown in the figure. Determine the equivalent force-couple system at point O. 180 N r= 25 mm 100 mm 180 N 45 50 mm 29 ...

igure 2. Assume that the rod is massless, perfectly rigid, and pivoted at point P. When the rod is perfectly horizontal, the angle 0 = 0, the displacement y 0, and the springs are in neither tension nor compression. Gravity acts on the system (e.g. on mass M). We assume that y is a small displacement. A mass M is attached at the end of the rod. DE only 225 Your tasks: X k 0 3k a F a M y A Derive an equation of motion for the system in terms of the angular displacement 0, and its derivatives (you should not have y or its derivatives in this equation.) B Derive an equation of motion for the system in terms of the displacement y, and its derivatives (you should not have or its derivatives in this equation. C Assuming there is no external actuator force F acting on the system, write down the total energy H of the system in terms of 0,0 and element constants. Derive an expression for the time derivative H of the total energy. D Transform the equation from part B, which is in y, to another…

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