PROBLE A vector force of 30KN 15 directed towards the nght and another vector force of 40KN has a O DR. What must be the magnitude and direction of a third vector force if the svstem of three vector forces is to have a zero resultant?

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Chapter1: Units, Trigonometry. And Vectors
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Answer the following problem.

RESULTANT OF FORCE SYSTEMS
PROBLEM OI
A vector force of 30KN 15 directed towards the naht and another vector force of 40KN has a 0, of 55° directed
DR. What must be the magnitude and direction of a third vector force if the system of three vector forces is to have a
zero resultant?
PROBLEM 02
Find the angle between two vector forces whose magnitudes are F and 3F and the magnitude of whose resultant
19 3F.
PROBLEM 03
A force T passing through points A and B as shown, has a counterclockwiIse moment of 400 KN-m about point O.
If the coordinates of points A and B are (0,6) and (8,O) in meters, compute the value of force T.
PROBLEM 04
The resultant of the concurrent forces shown 15 1OOKN with 0, of 60° directed DR. Determine the unknown
force.
Figure,
PROBLEM 05.
Refer to problem SP203.
Q = 10 KN
Change P=25 KN up to the left at 30 degrees
w/ x-axis, Q=30 KN, W=35 KN, T=18 KN
directed to the right.
F = ?
4
P = 30 KN
T = 20 KN
3.
Transcribed Image Text:RESULTANT OF FORCE SYSTEMS PROBLEM OI A vector force of 30KN 15 directed towards the naht and another vector force of 40KN has a 0, of 55° directed DR. What must be the magnitude and direction of a third vector force if the system of three vector forces is to have a zero resultant? PROBLEM 02 Find the angle between two vector forces whose magnitudes are F and 3F and the magnitude of whose resultant 19 3F. PROBLEM 03 A force T passing through points A and B as shown, has a counterclockwiIse moment of 400 KN-m about point O. If the coordinates of points A and B are (0,6) and (8,O) in meters, compute the value of force T. PROBLEM 04 The resultant of the concurrent forces shown 15 1OOKN with 0, of 60° directed DR. Determine the unknown force. Figure, PROBLEM 05. Refer to problem SP203. Q = 10 KN Change P=25 KN up to the left at 30 degrees w/ x-axis, Q=30 KN, W=35 KN, T=18 KN directed to the right. F = ? 4 P = 30 KN T = 20 KN 3.
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