Free Body Diagram of CablePulley System C The
Free Body Diagram of Cable-Pulley System C The system is held in equilibrium at angle Θ by the tension, T. 30º *Click to see solutions A cable connects pulley A to the ceiling at point C. A Θ T Ignore the weight of the pulley and the cable. B FBD of pulley A TAC y x 30º A TAC= The tension FROM the supporting cable (at 30º) ON the pulley. Θ T= The tension holding the system in equilibrium (at angle Θ) ON the pulley. T WB WB= Weight of Ball B ON the pulley. *Click for next example
Free Body Diagram of Suspended Man The man is sliding across the rope on a bar and being pulled by the tension T. Ignore any frictional effects. *Treat the man and bar as one object FBD of Man y R 1 x R 1 = Reaction force FROM rope ON man T 1 T 1 = Tension FROM rope ON man W W = Weight of man *Click to see solutions *Click for next example
Free Body Diagram of Beam With Applied Moment and Force F The beam at rest has an applied moment, M, and an applied Force, F. It is resting on two I-beams at A and B. Ignore the weight of the beam. RA = The reaction force FROM ground point A ON the beam A M B *Click to see solutions FBD of Beam RA F F = The applied force ON the beam. M M = The applied moment on the beam. RB RB = The reaction force FROM ground point B ON the beam *Click for next example
Free Body Diagram of Multiple Pulley-Cable System Block A is supported by the pulley system shown. The force, F, is pulling the rope downward. Ignore the weight of the pulleys. e c a d b B 1 F 2 A *Click to see solutions
Free Body Diagram of Multiple Pulley-Cable System R 1 = Reaction force ON block A FROM support 1. R 2 = Reaction force ON block A FROM support 2. W = Weight of block A. a b c d 2 1 R 2 B F A *Click to see solutions Free body diagram of the block R 1 e Tc = Tension FROM cable ON pulley B. Td = Tension FROM cable ON pulley B. R 2 = Reaction force FROM support 2 ON pulley B. Free body diagram of the pulley at B Tc y Td x A B W *Click for next example R 2
Free Body Diagram of Multiple-Spring System 1 The system is at rest. A 2 B *Click to see solutions FBD of Block A T 1 = Tension FROM spring 1 ON block A T 1 FBD of Ball B y T 2 x A B T 2 = Tension FROM spring 2 ON block A T 2 = Tension FROM spring 2 ON ball B WA WA = Weight of block A WB = Weight of block B WB *Click for next example
Free Body Diagram of Beam Resting on Angled Surfaces F The beam is resting on two smooth surfaces. There is an applied force, F, and a tension, T, on the rope. B 30º 60º *Click to see solutions FBD of Beam T F F = The applied force ON the beam. RB = The reaction force FROM ground point B ON the beam Original surface 30º RB A Original surface 60º T T = The tension force FROM the rope ON the beam. 30º 60º RA W W = Weight of the beam RA = The reaction force FROM ground point A ON the beam *Click for next example
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