In Fig. 5.28, C is a stone block weighing 6 kN. It is being raised slightly by means of two wooden wedges A andB with a force P on wedge B. The angle between the contacting surfaces of the wedge is 5°. If coefficient of friction is 0.3 for all contacting surfaces, compute the value of P required to impend upward motion of the block C. Neglect weight of the wedges.
In Fig. 5.28, C is a stone block weighing 6 kN. It is being raised slightly by means of two wooden wedges A andB with a force P on wedge B. The angle between the contacting surfaces of the wedge is 5°. If coefficient of friction is 0.3 for all contacting surfaces, compute the value of P required to impend upward motion of the block C. Neglect weight of the wedges.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.55P: A wedge is used to prop up the 6000-lb block of marble. The wedge angle is =30, and the angle of...
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![In Fig. 5.28, C is a stone block weighing 6 kN. It is being raised slightly by means of two wooden
8.
wedges A and B with a force P on wedge B. The angle between the contacting surfaces of the
wedge is 5°. If coefficient of friction is 0.3 for all contacting surfaces, compute the value of P
required to impend upward motion of the block C. Neglect weight of the wedges.
[Ans. 2.344 kN]
C
5°
5°
15°
A
A
Fig. 5.28
Fig. 5.29
uht l50 N which carries block B of](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6de77269-7aa9-4052-be0d-386c67c3297f%2Fe8da00ae-9040-4658-8c92-70acb4c6c8b8%2F7fcpiw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In Fig. 5.28, C is a stone block weighing 6 kN. It is being raised slightly by means of two wooden
8.
wedges A and B with a force P on wedge B. The angle between the contacting surfaces of the
wedge is 5°. If coefficient of friction is 0.3 for all contacting surfaces, compute the value of P
required to impend upward motion of the block C. Neglect weight of the wedges.
[Ans. 2.344 kN]
C
5°
5°
15°
A
A
Fig. 5.28
Fig. 5.29
uht l50 N which carries block B of
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