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1)Determine the force F that needs to be applied in the horizontal direction. 2) If a 0.30 mm thick oil film with a dynamic viscosity of 0.0115 Pa-s is applied between the block and inclined surface, determine the viscous friction force (Ff) in Newtons. 3) Find the new value of the required horizontal F in Newtons. And Find the percent reduction in the required force F from the case without the oil film.

1)Determine the force F that needs to be applied in the horizontal direction. 2) If a 0.30 mm thick oil film with a dynamic viscosity of 0.0115 Pa-s is applied between the block and inclined surface, determine the viscous friction force (Ff) in Newtons. 3) Find the new value of the required horizontal F in Newtons. And Find the percent reduction in the required force F from the case without the oil film.

Elements Of Electromagnetics
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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1)Determine the force F that needs to be applied in the horizontal direction.

2) If a 0.30 mm thick oil film with a dynamic viscosity of 0.0115 Pa-s is applied between the block and inclined surface, determine the viscous friction force (Ff) in Newtons.

3) Find the new value of the required horizontal F in Newtons. And Find the percent reduction in the required force F from the case without the oil film.

A 0.50mx 0.30m x 0.20m block weighing 200 N is to be moved at a constant velocity of 0.5 m/s up an inclined surface with a friction V= 0.5 m/s Fr 30cm F coefficient of 0.25. L30° FN1 30P W = 200 N
Transcribed Image Text:A 0.50mx 0.30m x 0.20m block weighing 200 N is to be moved at a constant velocity of 0.5 m/s up an inclined surface with a friction V= 0.5 m/s Fr 30cm F coefficient of 0.25. L30° FN1 30P W = 200 N
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