20° 120 тm P.

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.
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A rectangular piece of wood, 50mm by 100mm in cross section, is used as a compression block shown. Determine the axial force P that can be safely applied to the block if the compressive stress in wood is limited to 25 MPa and the shearing stress parallel to the grain is limited to 10 MPa. The grain makes an angle of 20° with the horizontal, as shown.
20°
120 тm
P.
Transcribed Image Text:20° 120 тm P.
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