4. A 23.63 in x 7.87 in x 9.85 in (length x width x height) block weighing 200 N is to 1 m/s F be moved at a constant velocity of 1.0 m/s 23.63 in on an inclined surface with an angle of 30° and a friction coefficient of 0.32. 30° (1 in = 2.54 cm) (a) Calculate the force (F) that needs to be applied in the horizontal direction. (b) If a 0.3-mm-thick oil film (Hoil = 0.01 Pa.s) is used between the block and inclined surface, recalculate the force required and determine the percentage reduction in the force.

4. A 23.63 in x 7.87 in x 9.85 in (length x width x height) block weighing 200 N is to 1 m/s F be moved at a constant velocity of 1.0 m/s 23.63 in on an inclined surface with an angle of 30° and a friction coefficient of 0.32. 30° (1 in = 2.54 cm) (a) Calculate the force (F) that needs to be applied in the horizontal direction. (b) If a 0.3-mm-thick oil film (Hoil = 0.01 Pa.s) is used between the block and inclined surface, recalculate the force required and determine the percentage reduction in the force.

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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