15. A 400-N force P is applied at Point A of the bell crank shown. [Submit] (a) Compute the moment of the force P about O by resolving it into components along line OA and in a direction perpendicular to that line. (b) Determine the magnitude and direction of the smallest force Q applied at B that has the same moment as P about O. 120 mm 48° L 40° 30° 200 mm

15. A 400-N force P is applied at Point A of the bell crank shown. [Submit] (a) Compute the moment of the force P about O by resolving it into components along line OA and in a direction perpendicular to that line. (b) Determine the magnitude and direction of the smallest force Q applied at B that has the same moment as P about O. 120 mm 48° L 40° 30° 200 mm

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

15. A 400-N force P is applied at Point A of the bell crank shown. [Submit]
(a) Compute the moment of the force P about O by resolving it into components along line OA and in a
direction perpendicular to that line.
(b) Determine the magnitude and direction of the smallest force Q applied at B that has the same moment
as P about O.
B
120 mm
48°
@1112
40°
30°
200 mm
A

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