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A pulley of moment of inertia 2.1 kg - m² is mounted on a wall as shown in the following figure. Light strings are wrapped around two circumferences of the pulley and weights are attached. Assume the following data: r, = 55 cm, r2 = 20 cm, m, = 1.0 kg, and m2 = 2.5 kg. %3D

A pulley of moment of inertia 2.1 kg - m² is mounted on a wall as shown in the following figure. Light strings are wrapped around two circumferences of the pulley and weights are attached. Assume the following data: r, = 55 cm, r2 = 20 cm, m, = 1.0 kg, and m2 = 2.5 kg. %3D

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 36P: The angular position of a rod varies as 20.0t2radians from time t=0 . The rod has two beads on it as...
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A pulley of moment of inertia 2.1 kg · m2 is mounted on a wall as shown in the following figure. Light strings are wrapped around two circumferences of the pulley and weights are attached. Assume the following data: r, = 55 cm, r, = 20 cm, m, = 1.0 kg, and m2 = 2.5 kg. m2 (a) What is the angular acceleration of the pulley? (Enter the magnitude in rad/s2.) 0.288 |× rad/s2 (b) What is the linear acceleration (in m/s2) of the weights? (Indicate the direction with the signs of your answers. Assume the upward direction is positive.) |× m/s² × m/s2 a, = 0.158 a, = -0.058
Transcribed Image Text:A pulley of moment of inertia 2.1 kg · m2 is mounted on a wall as shown in the following figure. Light strings are wrapped around two circumferences of the pulley and weights are attached. Assume the following data: r, = 55 cm, r, = 20 cm, m, = 1.0 kg, and m2 = 2.5 kg. m2 (a) What is the angular acceleration of the pulley? (Enter the magnitude in rad/s2.) 0.288 |× rad/s2 (b) What is the linear acceleration (in m/s2) of the weights? (Indicate the direction with the signs of your answers. Assume the upward direction is positive.) |× m/s² × m/s2 a, = 0.158 a, = -0.058
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