A 10 kg sack slides down a smooth surface. If the normal for… Questions A 10 kg sаck slides dоwn а smооth surfаce. If the normal force on the surface at the flat spot, A, is 98.1 N (up), radius of curvature is ___________. Show Answer Hide Answer Figure 15.3 Extrinsic eye muscles. Reference: Figure 15.3 In Figure 15.3, identify number 1. Show Answer Hide Answer Figure 15.4 Eаr. Reference: Figure 15.4 In Figure 15.4, identify number 3. Show Answer Hide Answer