QUESTION 1 Three concurrent and coplanar forces in equilibrium are shown in the figure. Hint: Use cosine formula: c²=a²+ b² - 2ab cos(C) 94.5 KN 65 62 58 α 0 50 kN Which of the following most nearly gives the value of the angle 8 in degrees? O 60 68.7 kN 83.6 kN 60 kN QUESTION 2 Which of the following most nearly gives the value of the angle a in degrees? 28 19 45 24 QUESTION 3 Which of the following most nearly gives the horizontal component of the 94.5kN force? 72.2 kN 80.4 kN

QUESTION 1 Three concurrent and coplanar forces in equilibrium are shown in the figure. Hint: Use cosine formula: c²=a²+ b² - 2ab cos(C) 94.5 KN 65 62 58 α 0 50 kN Which of the following most nearly gives the value of the angle 8 in degrees? O 60 68.7 kN 83.6 kN 60 kN QUESTION 2 Which of the following most nearly gives the value of the angle a in degrees? 28 19 45 24 QUESTION 3 Which of the following most nearly gives the horizontal component of the 94.5kN force? 72.2 kN 80.4 kN

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 82A

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