A 60% G 12 ft Figure FRC-221 45° B

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter3: Refrigeration And Refrigerants
Section: Chapter Questions
Problem 24RQ: Define enthalpy.
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If the coefficient of static friction at the contact points A and B is μs = 0.4, determine the following if the girl is 75-lb and the plank is 20-lb:
1. Reaction at A (in lb) (ANSWER: 90.4) and Reaction at B (in lb) (ANSWER: 60.2).

2. The minimum distance d (in ft) can a girl stand on the plank without causing it to slip. (ANSWER: 2.23). 

A
60%
G
12 ft
Figure FRC-221
45°
B
Transcribed Image Text:A 60% G 12 ft Figure FRC-221 45° B
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