TAKE:m=17kgL=7.60m The uniform bar has a mass m (given below) and length L (givenbelow). It is released from rest at an angle 0 as shown. Themoment of inertia of the rod about the pin point 0 is Io =÷ML².Neglect friction at 0.a) Determine the radius of gyration of the rod about the masscenter G.b) Draw the free-body diagram of the rod at the instant shown.c) Write the equations of motion, EF = måc, EMG = Içå, andEM, = Ioå, at the instant shown, in terms of the coordinatesystem given in the figure. (Do not solve the equations!)d) Determine the angular acceleration of the rod and the support reactions at 0 at the instantwhen 0 = 30°. [Solve the equations in part (c)!]GHint: Up to part (d), do not insert numbers (study parametrically). In part (d), insert numbers anduse åc = ảo + ả x ¡G/0 – w?¯G/o to connect the linear and angular quantities.

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The uniform bar has a mass m (given below) and length L (given below). It is released from rest at an angle 0 as shown. The moment of inertia of the rod about the pin point 0 is Io =;mL². Neglect friction at 0. a) Determine the radius of gyration of the rod about the mass center G. b) Draw the free-body diagram of the rod at the instant shown. c) Write the equations of motion, EF = måc, EMc = Içå, and EM, = Ioå, at the instant shown, in terms of the coordinate system given in the figure. (Do not solve the equations!) ml?. %3D

The uniform bar has a mass m (given below) and length L (given below). It is released from rest at an angle 0 as shown. The moment of inertia of the rod about the pin point 0 is Io =;mL². Neglect friction at 0. a) Determine the radius of gyration of the rod about the mass center G. b) Draw the free-body diagram of the rod at the instant shown. c) Write the equations of motion, EF = måc, EMc = Içå, and EM, = Ioå, at the instant shown, in terms of the coordinate system given in the figure. (Do not solve the equations!) ml?. %3D

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.26P: The uniform plank is initially at rest on the fixed support at A and the stationary drum at B. If...

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