Two 2.6-1b collars A and B can slide without friction on a frame, con- sisting of the horizontal rod OE and the vertical rod CD, which is free to rotate about CD. The two collars are connected by a cord running over a pulley that is attached to the frame at O, and a stop prevents collar B from moving. The frame is rotating at the rate 0 = 12 rad/s and r = 0.6 ft when the stop is removed, allowing collar A to move out along rod OE. Neglecting friction and the mass of the frame, deter- mine, for the position r = 1.2 ft, (a) the transverse component of the velocity of collar A, (b) the tension in the cord and the acceleration of collar A relative to the rod OE. D B C r A E

Two 2.6-1b collars A and B can slide without friction on a frame, con- sisting of the horizontal rod OE and the vertical rod CD, which is free to rotate about CD. The two collars are connected by a cord running over a pulley that is attached to the frame at O, and a stop prevents collar B from moving. The frame is rotating at the rate 0 = 12 rad/s and r = 0.6 ft when the stop is removed, allowing collar A to move out along rod OE. Neglecting friction and the mass of the frame, deter- mine, for the position r = 1.2 ft, (a) the transverse component of the velocity of collar A, (b) the tension in the cord and the acceleration of collar A relative to the rod OE. D B C r A E

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

12.92 Two 2.6-lb collars A and B can slide without friction on a frame, con-
sisting of the horizontal rod OE and the vertical rod CD, which is free
to rotate about CD. The two collars are connected by a cord running
over a pulley that is attached to the frame at O, and a stop prevents
collar B from moving. The frame is rotating at the rate 0 = 12 rad/s
and r = 0.6 ft when the stop is removed, allowing collar A to move out
along rod OE. Neglecting friction and the mass of the frame, deter-
mine, for the position r = 1.2 ft, (a) the transverse component of the
velocity of collar A, (b) the tension in the cord and the acceleration of
collar A relative to the rod OE.
D
B
Fig. P12.92
A
E

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