The figure shows a body consist of two segments which are a rod AB and a disk with weights of 4-lb and 11-lb Datum respectively. The body is attched with a spring. The roller 1 ft k = 8 lb/ft at C allows the spring to remain vertical as the rod falls. A The length of the unstretched spring is 0.85 ft. If the body is released from rest and rotates CW about point B, 1 ft 3 ft determine the following: (Assume the datum at point B) 0.25 ft 1. The potential energy of the spring when the body is horizontal. 2. The potential energy due to gravity when the body is horizontal. 3. The potential energy of the spring when the body is vertical.
The figure shows a body consist of two segments which are a rod AB and a disk with weights of 4-lb and 11-lb Datum respectively. The body is attched with a spring. The roller 1 ft k = 8 lb/ft at C allows the spring to remain vertical as the rod falls. A The length of the unstretched spring is 0.85 ft. If the body is released from rest and rotates CW about point B, 1 ft 3 ft determine the following: (Assume the datum at point B) 0.25 ft 1. The potential energy of the spring when the body is horizontal. 2. The potential energy due to gravity when the body is horizontal. 3. The potential energy of the spring when the body is vertical.
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 7.89RP: The woman is trying to move the crate of weight W by pulling on the rope at the angle to the...
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