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

Table 5

Coefficients of friction on dissimilar sliding material surfaces (one seed at a time).

Material	Beans Type	Minimum	Maximum	Average
Plywood	Uyole-96	0.45	0.58	0.51
	Kablanketi	0.42	0.55	0.49
	Wanja	0.42	0.49	0.46
Plastic	Uyole-96	0.36	0.49	0.42
	Kablanketi	0.32	0.45	0.37
	Wanja	0.32	0.42	0.37
Aluminium	Uyole-96	0.31	0.38	0.35
	Kablanketi	0.21	0.36	0.31
	Wanja	0.27	0.36	0.32
Mild Steel	Uyole-96	0.31	0.38	0.34
	Kablanketi	0.31	0.36	0.33
	Wanja	0.31	0.36	0.33
Stainless Steel	Uyole-96	0.27	0.34	0.31
	Kablanketi	0.27	0.34	0.30
	Wanja	0.25	0.32	0.29