A horizontal line PQRS is 12 m long, where PQ = QR = RS = 4 m. Forces of 1000 N, 1500 N, 1000 N and 500 N act at P, Q, R and S respectively with downward direction. The lines of action of these forces make angles of 90°, 60°, 45° and 30° respectively with PS. Find the magnitude, direction and position of the resultant force.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Question 3
A horizontal line PQRS is 12 m long, where PQ = QR =RS = 4 m. Forces of 1000 N, 1500
N, 1000 N and 500 N act at P, Q, R and S respectively with downward direction. The
lines of action of these forces make angles of 90°, 60°, 45° and 30° respectively with PS.
Find the magnitude, direction and position of the resultant force.
1000 N
1500 N
1000 N
500 N
90°
Q 60°
R45°
30
P
4 m-
4 m-
-4 m
Transcribed Image Text:Question 3 A horizontal line PQRS is 12 m long, where PQ = QR =RS = 4 m. Forces of 1000 N, 1500 N, 1000 N and 500 N act at P, Q, R and S respectively with downward direction. The lines of action of these forces make angles of 90°, 60°, 45° and 30° respectively with PS. Find the magnitude, direction and position of the resultant force. 1000 N 1500 N 1000 N 500 N 90° Q 60° R45° 30 P 4 m- 4 m- -4 m
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