A force of magnitude F N is applied to a block of mass M kg which is initially at rest on a horizontal plane. The block starts to move F N with acceleration 3 m s². Modelling the block as a particle, (i) if the plane is smooth, find an expression for F in terms of M. If the plane is rough, and the coefficient of friction between the block and the plane is µ, (ii) express F in terms of M, µ and g. (iii) Calculate the value of µ if F = Mg.

A force of magnitude F N is applied to a block of mass M kg which is initially at rest on a horizontal plane. The block starts to move F N with acceleration 3 m s². Modelling the block as a particle, (i) if the plane is smooth, find an expression for F in terms of M. If the plane is rough, and the coefficient of friction between the block and the plane is µ, (ii) express F in terms of M, µ and g. (iii) Calculate the value of µ if F = Mg.

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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pls help me out

A force of magnitude F N is applied to a block of mass M kg which is initially at rest on a horizontal
plane. The block starts to move F N with acceleration 3 m s². Modelling the block as a particle,
(i)
if the plane is smooth, find an expression for F in terms of M.
If the plane is rough, and the coefficient of friction between the block and the plane is µ,
(ii)
express F in terms of M, µ and g.
(iii)
Calculate the value of u if F = Mg.

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