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Get Full Access to Vector Mechanics For Engineers: Statics - 10 Edition - Chapter 10 - Problem 10.39
Get Full Access to Vector Mechanics For Engineers: Statics - 10 Edition - Chapter 10 - Problem 10.39

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# The lever AB is attached to the horizontal shaft BC that passes through a bearing and is

ISBN: 9780077402280 491

## Solution for problem 10.39 Chapter 10

Vector Mechanics for Engineers: Statics | 10th Edition

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Problem 10.39

The lever AB is attached to the horizontal shaft BC that passes through a bearing and is welded to a fixed support at C. The torsional spring constant of the shaft BC is K; that is, a couple of magnitude K is required to rotate end B through 1 rad. Knowing that the shaft is untwisted when AB is horizontal, determine the value of corresponding to the position of equilibrium when 100 N, 250 mm, Pl == and 12.5 N m/rad. K =

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ENGR 103 Lecture 19 Resistance- the ability of an object to restrict or resist the flow of electrons in an electrical circuit - measured in ohms (Ω) Resistor- the circuit element responsible for restricting the flow of electrons - absorb energy from the electrons and dissipate it as heat - since there is a transfer of energy through a resistor, this means a difference in energy levels occur across the resistor constituting a voltage Ohms’s Law - Math: V = IR= 1 volt is equal to 1 ohm multiplied by the current (I) o Also one ohm= 1 volt divided by 1 Amp (I) - Passive sign convention must always be applied ; there for resistance is always positive - Circuit elements can be connec

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