Homework 2 chapter 5 vật lý 1

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Homework 2 chapter 5 vật lý 1

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Subject A1/ Homework Name: ……………………………… ID: ………………………… Date due: …………………………… Chapter Problem A setup similar to the one shown in Figure P5.26 is often used in hospitals to support and apply a horizontal traction force to an injured leg (a) Determine the force of tension in the rope supporting the leg (b) What is the traction force exerted to the right on the leg? (Problem 26/p.133) Problem An object of mass M is held in place by an applied force F and a pulley system as shown in Figure P5.61 The pulleys are massless and frictionless (a) Draw diagrams showing the forces on each pulley Find (b) the tension in each section of rope, T1, T2, T3, T4, and T5 and (c) the magnitude of F (Problem 61/p.136) Problem An 8.40-kg object slides down a fixed, frictionless, inclined plane Use a computer to determine and tabulate (a) the normal force exerted on the object and (b) its acceleration for a series of incline angles (measured from the horizontal) ranging from 0° to 90° in 5° increments (c) Plot a graph of the normal force and the acceleration as functions of the incline angle (d) In the limiting cases of 0° and 90°, are your results consistent with the known behavior? (Problem 68/p.137) ... acceleration for a series of incline angles (measured from the horizontal) ranging from 0° to 90° in 5 increments (c) Plot a graph of the normal force and the acceleration as functions of the incline... limiting cases of 0° and 90°, are your results consistent with the known behavior? (Problem 68/p .13 7)

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