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This educational wallsheet provides several simple illustrations of Newton's Second Law. In the activity included, students study the motion shown in the drawings to decide how it relates to the object's velocity, whether or not the velocity is changing (acceleration), and what forces are causing any acceleration. The activity provides teachers with background information, pre-activity reading, pre-activity discussion questions, an assessment, an extension activity for advanced students, and post-activity discussions that tie the classroom activity back to the Swift satellite launch. This is the second of four posters on Newton's Laws. A copy of the wallsheet intended to accompany the activity is available on this website.