Problem 1: Recall the two-mass system from a previous problem set, in which you deter- mined the (stable) equilibrium point of the system. (a) Let y be the distance of the bead from the ceiling. From the earlier problem, rewrite U(0) so that the potential energy is a function of this variable y, instead of 0. Also, given the expression for the equilibrium angle, find the equilibrium position yo for this system. (b) Expand U(y) in a Taylor series around Yo to show that for small oscillations, U(y) can be written in the Hooke's Law form ky², and determine the "effective spring constant" k. (c) Write the total kinetic energy T of the system as a function of y. Compare your kinetic and potential energy for this system to the energy expressions in the SHO, and determine this system's angular frequency for small oscillations. M b Ꮎ m
Problem 1: Recall the two-mass system from a previous problem set, in which you deter- mined the (stable) equilibrium point of the system. (a) Let y be the distance of the bead from the ceiling. From the earlier problem, rewrite U(0) so that the potential energy is a function of this variable y, instead of 0. Also, given the expression for the equilibrium angle, find the equilibrium position yo for this system. (b) Expand U(y) in a Taylor series around Yo to show that for small oscillations, U(y) can be written in the Hooke's Law form ky², and determine the "effective spring constant" k. (c) Write the total kinetic energy T of the system as a function of y. Compare your kinetic and potential energy for this system to the energy expressions in the SHO, and determine this system's angular frequency for small oscillations. M b Ꮎ m
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter10: Virtual Work And Potential Energy
Section: Chapter Questions
Problem 10.56P: The stiffness of the ideal spring that is compressed by the slider C is k = 250 N/m. The spring is...
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