Consider the situation shown in which we know m = 40 kg. M = 75 kg....
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Consider the situation shown in which we know m = 40 kg. M = 75 kg. a = 1.0 m and b= 1.5 m. Our goal is to calculate the tension in the rope, the tension in the cable, and the x and y components of the force the hinge exerts on the beam. Step 1: Draw all the forces acting on the extended object. Identify which forces are known and which are unknown (the TA will do this). Step 2: Based on the knowns and unknowns, choose a point of rotation for which to write Tnet = 0 which will eliminate all but one unknown force. The point of rotation that eliminates all but one unknown is: 1. The bottom left corner of the beam (where the hinge is) 2. The middle of the beam 3. The top right corner of the beam Cable Beam M Rope Write Thet=0 the point you identified and solve for the unknown force. Hint: It's easier here to use r = Fd where d is the moment arm because the problem gives the perpendicular distances rather than the angle and length of the beam. Step 3: Use Fnetx = 0 and Fnety=0 to solve for any other unknowns. Note: this has nothing to do with torques! It's just sum of forces. Consider the situation shown in which we know m = 40 kg. M = 75 kg. a = 1.0 m and b= 1.5 m. Our goal is to calculate the tension in the rope, the tension in the cable, and the x and y components of the force the hinge exerts on the beam. Step 1: Draw all the forces acting on the extended object. Identify which forces are known and which are unknown (the TA will do this). Step 2: Based on the knowns and unknowns, choose a point of rotation for which to write Tnet = 0 which will eliminate all but one unknown force. The point of rotation that eliminates all but one unknown is: 1. The bottom left corner of the beam (where the hinge is) 2. The middle of the beam 3. The top right corner of the beam Cable Beam M Rope Write Thet=0 the point you identified and solve for the unknown force. Hint: It's easier here to use r = Fd where d is the moment arm because the problem gives the perpendicular distances rather than the angle and length of the beam. Step 3: Use Fnetx = 0 and Fnety=0 to solve for any other unknowns. Note: this has nothing to do with torques! It's just sum of forces.
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Fundamentals Of Momentum Heat And Mass Transfer
ISBN: 9781118947463
6th Edition
Authors: James Welty, Gregory L. Rorrer, David G. Foster
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