Friction Laboratory Report Name ---------------------------------- Iii-V-'TTH B. Determination of :k by alternative method. Data Table 2 Purpose: To investigate Zk=tan2 by inclined plane method, Fig. 3. % difference {of :k by both methods above) : [3. Dependency of :1,- on surface area, normal force, and kind of material. Data Table 3 Purpose: To investigate dependencies of :k on area and various materials by inclined plane method, Fig. 4 8r. 5. __ stacked one on top of the other [a] Comparing No. l and No. 2 above, what can you say about the dependency of :k on surface area? [b] Comparing No. 1 and No. 3 above, what can you say about the dependency of :k on normal force