1) A box that weighs 3.50 kg is slid down a platform at an incline of 28.3° to thehorizontal (see figure below). The box has a rope connected to it which isattached around a rotating disc (M = 4.40 kg) and is on a fixed axis at O. The dischas a moment of inertia of 0.450 kg.m? with respect to the rotational axis.a) Draw a free body diagram showing the forces acting on the box and the disc.b) The moment of inertia of the disc is given by I =MR2. Calculate the radiusc) Calculate the acceleration of the box down the platform where the kineticfriction coefficient is µx =0.22.R.3.50 kg28.3°

Answered: 1) A box that weighs 3.50 kg is slid…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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5. The figure below illustrates an Atwood's machine. Let the masses of blocks A and B be 4.00 kg and 2.00 kg, respectively, the moment of inertia of the wheel about its axis be 0.100 kg.m² and the radius of the wheel be 0.500 m. a) Find the linear acceleration of block A and block B if there is no slipping between the cord and the surface of the wheel b) Find the tension in right side of the cord if there is no slipping between the cord and the surface of the wheel c) Find the tension in left side of the cord if there is no slipping between the cord and the surface of the wheel.
Macmillan Learning The Atwood machine consists of two masses hanging from the ends of a rope that passes over a pulley. Approximate the pulley as a uniform disk with mass m₂ = 5.13 kg and radius rp=0.450 m. The hanging masses are m = 20.7 kg and mg = 12.7 kg. Calculate the magnitude of the masses' acceleration a and the tension in the left and right ends of the rope, 7₁, and TR. respectively. a= TL = TR = 2 m/s N m₁ 111
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A solid metal disk with moment of inertia I, radius R, and mass m1 can rotate freely about a frictionless axis passing through its center. A light string is wrapped around the disk and connects to a hanging mass m2. The hanging mass is released from rest at a distance d above the ground and accelerates downward with acceleration awhile the disk rotates through an angle q. a) Draw free body diagrams for the disk and the hanging mass. b) Find an expression for the angular accelerationaof the diskin terms of m2, I, R, and any necessary constants. c) Find an expression for the time it takes for the hanging mass to reach the ground. Write your answer in terms of q, a, and any necessary constants.
Oncies Current Attempt in Progress Multiple-Concept Example 7 deals with the concepts that are important in this problem. A penny is placed at the outer edge of a disk (radius= 0.136 m) that rotates about an axis perpendicular to the plane of the disk at its center. The period of the rotation is 1.73 s. Find the minimum coefficient of friction necessary to allow the penny to rotate along with the disk. Hs = Number i eTextbook and Media GO Tutorial Save for Later 150 Units Attempts: 0 of 5 used Submit Answer
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