Write the elongation matrix.
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- A uniform rod has mass m and length L. One end of the rod is attached to a fixed point O by a hinge and an additional force F is applied to the other end of the rod in the direction shown, perpendicular to the rod. Given that the rod is in mechanical equilibrium, what is the magnitude of the applied force F, expressed as a numerical multiple of mg, where g is the magnitude of the acceleration due to gravity? Express your answer to 3 decimal points.A car is stuck in the mud. A tow truck puls on the car with the arrangement shown in the figure below. The tow cable is under a tension of of 2,620 N and pulis downward and to the left on the pin at its upper end. The light pin is held in equilibrium by forces exerted by the two bars A and B. Each bar is a strut; that is, each is a bar whose weight is small compared to the forces it exerts and which exerts forces only through hinge pins at its ends. Each strut exerts a force directed parallel to its length. Determine the force of tension or compression in each strut. Proceed as followrs. Make a guess as to which way (pushing or pulling) each force acts on the top pin. Draw a free-body diegram of the pin. Use the condition for equilibrium of the pin to translate the free-body diagram into equations. From the equations calculate the forces exerted by struts A and B. If you obtain a positive answer, you correctly guessed the direction of the force. A negative answer means the direction…Fm 3.4 cm 30 cm mg 2. Determine how much force is exerted by the bicep muscle in order to hold up a mass of 15 kg. The muscle pulls 10 degrees from the vertical.
- Can you help me with this table and I don't understand where the points goStructural member AB is to be supported by a strut CD. Determine the smallest length CD may have, and specify where D must be located for a strut of this length to be used. Take x= 120 mm. 60 mm D. y 20 mm E The smallest length CD may have is mm. The coordinates of point Dare ( and Imm.Find the centroid of the homogeneous lamina. Assume r = 4. 2r- 2r (x, y) = X (Hint: The moments of the union of two or more nonoverlapping regions equ regions.) (Use symbolic notation and fractions where needed. Give your answer as poi