Machine Design
The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians)

(P1 - mv²)/ (P2 - mv²) = e–ᶠα
P1 / P2 = e–ᶠα
P1 / P2 = eᶠα
(P1 - mv²)/ (P2 - mv²) = eᶠα

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Machine Design
Slenderness ratio is the ratio of

Maximum size of column to minimum size of column
Effective length of column to width of column
Width of column to depth of column
Effective length of column to least radius of gyration of the column

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