CDEFGH is plate with a circular hole in it and has a unit weight p (N/m²). It is attached on DE beam with weld. A crate has a weight of W (kN) at A is linked to the plate from C by the help of a cord. The surface under the crate has a coefficient of static friction 41 and the pulley has a coeficient of static friction l2. a) Find the center of the gravity of the CDEFGH plate according to O (given in grey color in the figure). • HCD is half circle centered at O. A full circle centered at O is removed from the plate. HOD line and EF line are vertical. b) What should be the minimum weight of the box at A in order to prevent the movement of the plate to downward. c) What are the support reactions at K. Note P=400 B Ł0.3 A H G 3m Co 3m F Im 20° D E K 4m

CDEFGH is plate with a circular hole in it and has a unit weight p (N/m²). It is attached on DE beam with weld. A crate has a weight of W (kN) at A is linked to the plate from C by the help of a cord. The surface under the crate has a coefficient of static friction 41 and the pulley has a coeficient of static friction l2. a) Find the center of the gravity of the CDEFGH plate according to O (given in grey color in the figure). • HCD is half circle centered at O. A full circle centered at O is removed from the plate. HOD line and EF line are vertical. b) What should be the minimum weight of the box at A in order to prevent the movement of the plate to downward. c) What are the support reactions at K. Note P=400 B Ł0.3 A H G 3m Co 3m F Im 20° D E K 4m

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 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...

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