Q2/ The rigid bar ABCD is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250 mm. If the temperature is increased by 80°C, determine the force P that will cause the bar at C to be stress-free. Use E = 200 GPa and a=12.8*10*°c 3

Q2/ The rigid bar ABCD is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250 mm. If the temperature is increased by 80°C, determine the force P that will cause the bar at C to be stress-free. Use E = 200 GPa and a=12.810°c 3

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter10: Thermal Physics

Section: Chapter Questions

Problem 3WUE

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Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.

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Q2/ The rigid bar ABCD is supported by a pin at B and restrained by identical steel bars at C and D, each of
area 250 mm. If the temperature is increased by 80°C, determine the force P that will cause the bar at C to
be stress-free. Use E = 200 GPa and a=12.8*10c
0.8 m
0.6 m
C

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