Which of the following most nearly gives the normal force exerted by the horizontal plane to Block B if A is moving upward? 1680N 1160N 2680N 2160N

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Which of the following most nearly gives the normal force exerted by the horizontal plane to Block B if A is moving upward?

  1. 1680N

  2. 1160N

  3. 2680N

  4. 2160N

The masses of A, B and C are 80kg, 12kg and 8kg
respectively. Between all contact surfaces the
coefficient of friction is 0.40
P
A
C
B
10°
12°
Transcribed Image Text:The masses of A, B and C are 80kg, 12kg and 8kg respectively. Between all contact surfaces the coefficient of friction is 0.40 P A C B 10° 12°
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