M=0.30 30 kg P< 50 kg Hs=0.40 40 kg 30° μg = 0.45 Figure WDG-3F
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
The three flat blocks are positioned on the 30° incline as shown in figure, and a force P parallel to the incline is applied to the middle block. The upper block is pre vented from moving by a wire which attaches it to the fixed support. The coefficient of static friction for each of the three pairs of mating surfaces is shown.
1. Calculate the normal force (N) acting between 50-kg and 40-kg blocks. (ANSWER: 680)
2. Calculate the maximum frictional resistance (N) on the surface between the 30-kg and 50-kg blocks. (ANSWER: 76.5)
Transcribed Image Text:M=0.30
30 kg
P<
50 kg
Hs=0.40
40 kg
30°
μg = 0.45
Figure WDG-3F
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