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Name: The[m2]-kg block shown sits on top of a[m1]-kg ramp,which is being pus
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Description: The[m2]-kg block shown sits on top of a[m1]-kg ramp,which is being pushed by an external forceP.Thecoefficients of static and kinetic frictions between the rampand block are[μs]and 0.2 respectively. The ramp is onrollers and we can assume its contact

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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The[m2]-kg block shown sits on top of a[m1]-kg ramp,which is being pushed by an external forceP.Thecoefficients of static and kinetic frictions between the rampand block are[μs]and 0.2 respectively. The ramp is onrollers and we can assume its contact with the ground isfrictionless. ForcePis always applied in the direction shown.(a) Calculate the minimum forcePrequired to keep the block from sliding on the ramp.(b) Calculate the maximum forcePthat can be applied before the block slides on the ramp.

Hints:
• When P = ON (static equilibrium), the block slides since u, < tan (20°).
Values
The system is accelerating. Avoid using a rotated coordinate system.
т — 250
т2 — 100
Us = 0.25

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