Research Article

Physical and Mechanical Properties of Selected Common Beans (Phaseolus vulgaris L.) Cultivated in Tanzania

Table 6

Coefficients of friction for un-threshed beans pods.

S/NMaterialAngle (degrees) Coefficient of friction
MinMaxMinMaxAverage

1Plywood30360.580.740.65

2Plastic29340.550.670.61

3Mild Steel28330.530.650.59

4Aluminium25300.470.580.52

5Stainless Steel23280.420.530.48