1. A steel tank is to be positioned in an excavation. Knowing that a = 20°, determine by trigonometry (a) the required magnitude of the force P if the resultant R of the two forces applied at A is to be vertical, (b) the corresponding magnitude of R. 425

1. A steel tank is to be positioned in an excavation. Knowing that a = 20°, determine by trigonometry (a) the required magnitude of the force P if the resultant R of the two forces applied at A is to be vertical, (b) the corresponding magnitude of R. 425

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.15P: Two 12-kg spheres are placed 400 mm apart. Express the gravitational attraction acting between the...

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Done Assignment1_0948f2a5f8da...
Basic Mechanics
Assignment 1
Submission Date: Monday, 28th March 2022.
Tme: Before 12:00 Noon
1. A steel tank is to be positioned in an excavation. Knowing that a = 20°, determine by trigonometry
(a) the required magnitude of the force P if the resultant R of the two forces applied at A is to be
vertical,
(b) the corresponding magnitude of R.
425 b
2. Knowing that a = 40°, determine the resultant of the three forces shown.
so Ib
120 b
60 lb
20
3. Determine
(a) the required tension in cable AC, knowing that the resultant of the three forces exerted at
Point C of boom BC must be directed along BC,
(b) the corresponding magnitude of the resultant.
35
75
So

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