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1.2) Problem. 3 The following forces (all pull) act at a point :     (i)  25 N due North ; (ii)  10 N North-East ; (iii)  15 N due East ; (iv)  20 N 30° East of South ; (v)  30 N 60° South of West. Find the resultant force. What angle does it make with East ?

1.2) Problem. 3 The following forces (all pull) act at a point :     (i)  25 N due North ; (ii)  10 N North-East ; (iii)  15 N due East ; (iv)  20 N 30° East of South ; (v)  30 N 60° South of West. Find the resultant force. What angle does it make with East ?

Elements Of Electromagnetics
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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1.2) Problem. 3 The following forces (all pull) act at a point :

 

 

(i)  25 N due North ;

(ii)  10 N North-East ;

(iii)  15 N due East ;

(iv)  20 N 30° East of South ;

(v)  30 N 60° South of West.

Find the resultant force. What angle does it make with East ?
W 30 sin 60⁰ 30 cos 60° 30 N NI 60° S 25 N 10 cos 45º 45° 820 cos 300 10 sin 45* a = 33° 20' 20 sin 30 20 N 10 N 15 N Resultant, R E
Transcribed Image Text:W 30 sin 60⁰ 30 cos 60° 30 N NI 60° S 25 N 10 cos 45º 45° 820 cos 300 10 sin 45* a = 33° 20' 20 sin 30 20 N 10 N 15 N Resultant, R E
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