A vector polygon for summing 2-kN and 7-kN forces is shown (Figure P4.4). Determine (a) The magnitude
Question:
A vector polygon for summing 2-kN and 7-kN forces is shown (Figure P4.4). Determine
(a) The magnitude R of the resultant by using the law of cosines and
(b) Its angle of action by using the law of sines.
Figure P4.4
Transcribed Image Text:
End R 7 kN Start 2 kN 55%
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CAB 9055 35 1 According to law of cosines a 2 b 2 c 2 2bc cosA R 2 ...View the full answer
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Related Book For
An Introduction To Mechanical Engineering
ISBN: 9781111576820
3rd Edition
Authors: Jonathan Wickert, Kemper Lewis
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