It is show-and-tell day at Castle Greyskull and little She-Ra will tell the children about karate. As part of her demonstration, she will attempt to break the beam illustrated below by striking it on the middle of the bearing plate at point C. What minimum amount of force, P, will she have to apply? Also, find the bearing area at each point as well as the reaction forces. The beam is made of unobtanium, a rare material only found on planet Pandora, with an ultimate bearing stress of 9.23 x1022 MPa. It is supported on two bearing plates. Hint : 1 inch = 25.4 mm When calculating the reactions Ay and By, consider: The span (a) from the center of the plate at A to the center of the plate at C The span (b) from the center of the plate at B to the center of the plate at C
It is show-and-tell day at Castle Greyskull and little She-Ra will tell the children about karate. As part of her demonstration, she will attempt to break the beam illustrated below by striking it on the middle of the bearing plate at point C. What minimum amount of force, P, will she have to apply? Also, find the bearing area at each point as well as the reaction forces. The beam is made of unobtanium, a rare material only found on planet Pandora, with an ultimate bearing stress of 9.23 x1022 MPa. It is supported on two bearing plates. Hint : 1 inch = 25.4 mm When calculating the reactions Ay and By, consider: The span (a) from the center of the plate at A to the center of the plate at C The span (b) from the center of the plate at B to the center of the plate at C
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
It is show-and-tell day at Castle Greyskull and little She-Ra will tell the children about karate. As part of her demonstration, she will attempt to break the beam illustrated below by striking it on the middle of the bearing plate at point C. What minimum amount of force, P, will she have to apply? Also, find the bearing area at each point as well as the reaction forces.
The beam is made of unobtanium, a rare material only found on planet Pandora, with an ultimate bearing stress of 9.23 x1022 MPa. It is supported on two bearing plates.
Hint :
- 1 inch = 25.4 mm
- When calculating the reactions Ay and By, consider:
- The span (a) from the center of the plate at A to the center of the plate at C
- The span (b) from the center of the plate at B to the center of the plate at C
Transcribed Image Text:A
*
+12.4^
200 mm
a
-205 mm
1600 mm
b
B
210 mm
600 mm
|
250 mm
*250
CROSS-SECTION
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