M X L F
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
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A wooden plank of negligible mass and length L = 2.8 m is used to keep in balance, horizontally, a small cube of mass 20.0 kg when applying a force F of 80.0 N at one end of the board. The distance, in meters, between the support point of the board and the position where find the cube is:
a) 0.56
b) 0.80
c) 1.00
d) 1.12
e) 1.40.
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