Determine the moment of the forces acting on the handle of the wrench about the a axis. Take F1 =-2i + 4j –8k (lb), F2 = 3i + 2j –6k (lb).

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter2: Basic Operations With Force Systems
Section: Chapter Questions
Problem 2.53P: Determine the moment of the force F=40i8j+5kN about the y-axis.
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Determine the moment of the forces acting on the handle of the wrench about the a axis.
Take F1 = -2i + 4j –8k (lb), F2 = 3i + 2j -6k (lb).
45°
4 in.
6 in.
3.5 in.
Transcribed Image Text:Determine the moment of the forces acting on the handle of the wrench about the a axis. Take F1 = -2i + 4j –8k (lb), F2 = 3i + 2j -6k (lb). 45° 4 in. 6 in. 3.5 in.
Expert Solution
Step 1

Given Data:

  • The force F1=-2i+4j-8k lb.
  • The force F2=3i+2j-6k lb.

The coordinate of point C can be determined as,

Cx,y,z=6sin45°,0,6cos45°=4.24,0,4.24

The coordinate of point A can be determined as,

Ax,y,z=6sin45°+4sin45°,0,6cos45°-4cos45°=7.071,0,1.414

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