A pendulum is constructed from a heavy metal rod and a metal disk, both of uniform mass density. The center of the disk is bolted to one end of the rod, and the pendulum hangs from the other end of the rod. The rod has a mass of 1.4 kg and a length of L = 44.0 cm. The disk has a m = Axis mass of M = 5.6 kg and a radius of R = 22.0 cm. The m acceleration due to gravity is g = 9.8 m/s². L The pendulum is held with the rod horizontal and then released. What is the magnitude of its angular acceleration M a at the moment of release?

A pendulum is constructed from a heavy metal rod and a metal disk, both of uniform mass density. The center of the disk is bolted to one end of the rod, and the pendulum hangs from the other end of the rod. The rod has a mass of 1.4 kg and a length of L = 44.0 cm. The disk has a m = Axis mass of M = 5.6 kg and a radius of R = 22.0 cm. The m acceleration due to gravity is g = 9.8 m/s². L The pendulum is held with the rod horizontal and then released. What is the magnitude of its angular acceleration M a at the moment of release?

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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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A pendulum is constructed from a heavy metal rod and a
metal disk, both of uniform mass density. The center of the
disk is bolted to one end of the rod, and the pendulum
hangs from the other end of the rod. The rod has a mass of
1.4 kg and a length of L
= 44.0 cm. The disk has a
m =
Axis
mass of M = 5.6 kg and a radius of R = 22.0 cm. The
m
acceleration due to gravity is g = 9.8 m/s².
L
The pendulum is held with the rod horizontal and then
released. What is the magnitude of its angular acceleration
M
a at the moment of release?

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