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Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Work is positive if the force and the movement are in the same direction.
ɛ = (power input) ÷ (power output)
Work is defined as the sum of force and displacement components acting in the same direction.
The efficiency of a real machine is always less than 1.0.
736 W = 550 (ft · Ib)/s.
A tangential component represents the time rate of change in the velocity magnitude.
Transcribed Image Text:Work is positive if the force and the movement are in the same direction. ɛ = (power input) ÷ (power output) Work is defined as the sum of force and displacement components acting in the same direction. The efficiency of a real machine is always less than 1.0. 736 W = 550 (ft · Ib)/s. A tangential component represents the time rate of change in the velocity magnitude.
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