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 ?

Automotive Technology: A Systems Approach (MindTap Course List)

6th Edition

ISBN:9781133612315

Author:Jack Erjavec, Rob Thompson

Publisher:Jack Erjavec, Rob Thompson

Chapter3: Basic Theories And Math

Section: Chapter Questions

Problem 24RQ: All these statements about energy and energy conversion are true, except thermal energy may be...

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Question

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

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