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

2020
Views:

297

Pages:

1
Author:

Quintin Ware

COSMOS: Complete Online Solutions Manual Organization System Chapter 3, Solution 89. (a) First note that F = P and that F must be equivalent to (P, MD) at point D, Where M D = 57.6 N ⋅ m For F = ( F )min F must act as far from D as possible ∴ Point of application is at point B (b) For ( F )min Now F must be perpendicular to BD d DB = ( 630 mm )2 + ( −160 mm )2 = 650 mm tan α = 63 16 α = 75.7° Then M D = d DB F 57.6 N ⋅ m = ( 0.650 m ) F F = 88.6 N or F = 88.6 N . 75.7°

COSMOS Chapter 3 Solution 89

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