Answered: F= 600 N 45° 60° 120° F2 = (120i +…

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F= 600 N 45° 60° 120° F2 = (120i + 90j-80k}N

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter14: Heat And Heat Transfer Methods

Section: Chapter Questions

Problem 55PE: At what net rate does heat radiate from a 275m2 black roof on a night when the roof’s temperature is...

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Question

Cable AB exerts a force of 70 N on the end of the 3-m-long boom OA.

(b) Express the force vector F1 as a Cartesian Vector.

F= 600 N
45°
60°
120°
F2 = (120i + 90j-80k}N

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