Three ice skaters, numbered 1, 2 and 3, stand in a line, each with her hands on the shoulders of the skater in front. Skater 3, at the rear, pushes on skater 2. Identify all the action/reaction pairs between the three skaters. Draw a free-body diagram for skater 2, in the middle. Assault ice is frictionless.

Three ice skaters, numbered 1, 2 and 3, stand in a line, each with her hands on the shoulders of the skater in front. Skater 3, at the rear, pushes on skater 2. Identify all the action/reaction pairs between the three skaters. Draw a free-body diagram for skater 2, in the middle. Assault ice is frictionless.