Posted by Rose on Friday, June 8, 2012 at 12:37pm.
x-axis - along the ramp, y-axis - perpendicular to the ramp (upwards).
x: F =F(fr) + m•g•sinα,
y: N=mgcos α,
F=μ•N + m•g•sinα = μ• m•g•cos α + m•g•sinα =m•g(μ• cos α+ sinα)
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