28.The friction coefficient between the table and the block shown in figure is 0.2. The ratio of tension in the two strings T1/T2 is (pulleys and strings are light)
![SOLVED: TABLE 5.1 Coefficients of Friction pk 0.8 0.57 0.47 0.4 0.36 0.2 0.1 0.04 0.06 0.04 0.03 0.003 Rubber on concrete 1.0 Steel on steel 0.74 Aluminum on steel 0.61 Glass SOLVED: TABLE 5.1 Coefficients of Friction pk 0.8 0.57 0.47 0.4 0.36 0.2 0.1 0.04 0.06 0.04 0.03 0.003 Rubber on concrete 1.0 Steel on steel 0.74 Aluminum on steel 0.61 Glass](https://cdn.numerade.com/ask_images/08a7255a84b04bc4810d92c230420cf2.jpg)
SOLVED: TABLE 5.1 Coefficients of Friction pk 0.8 0.57 0.47 0.4 0.36 0.2 0.1 0.04 0.06 0.04 0.03 0.003 Rubber on concrete 1.0 Steel on steel 0.74 Aluminum on steel 0.61 Glass
![Table 4 from Friction Coefficient Variation with Sliding Velocity in Copper with Copper Contact | Semantic Scholar Table 4 from Friction Coefficient Variation with Sliding Velocity in Copper with Copper Contact | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/83b271a03dc0db49c97fa1328d9ecc1c069aa32a/3-Table4-1.png)
Table 4 from Friction Coefficient Variation with Sliding Velocity in Copper with Copper Contact | Semantic Scholar
![static coefficient of friction between two steel milled surfaces - Mechanical engineering general discussion - Eng-Tips static coefficient of friction between two steel milled surfaces - Mechanical engineering general discussion - Eng-Tips](https://res.cloudinary.com/engineering-com/image/upload/v1614181443/tips/Screenshot_2_ivefpo.jpg)