University:
Michigan State University
Course:
ERG 160 | Success in Science, Technology, Engineering, and Mathematics
Academic year:

2024
Views:

223

Pages:

1
Author:

cinquennehgz

COSMOS: Complete Online Solutions Manual Organization System Chapter 3, Solution 151. For equivalence ΣFx : − ( 90 N ) sin 30° + (125 N ) cos 40° = Rx or Rx = 50.756 N ΣFy : − ( 90 N ) cos30° − 200 N − (125 N ) sin 40° = Ry or Ry = −358.29 N and ( 50.756 )2 + ( −358.29 )2 R= Then tan θ = Ry Rx = −358.29 = −7.0591 50.756 = 361.87 N ∴ θ = −81.937° or R = 362 N 81.9° Also ΣM A : M − ( 90 N ) sin 35° ( 0.6 m ) − ( 200 N ) cos 25°  ( 0.85 m ) − (125 N ) sin 65°  (1.25 m ) = 0 ∴ M = 326.66 N ⋅ m or M = 327 N ⋅ m .

COSMOS Chapter 3 Solution 151

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