1) Consider two boxes side by side, being pushed to the right. Box A, on the left, is 5 kg. Box B, on the right, is 3 kg. They are being pushed by a person using 30 Newtons of force. The broad goal is to understand everything, including their acceleration and their interaction forces. For now, treat friction as zero. a) Draw a motion diagram, label acceleration. Use the idea that the boxes have the same acceleration. b) Force list for Box A and for Box B. c) Free body diagram for Box A & B. Note which forces are caused by the same interaction. These must be the same length. d) Write each force as a vector using bracket notation. Use the idea that two of the forces must have the same length e) Write (sum of F) = m x a for each box f) Calculate the acceleration and the interaction forces between the boxes
1) Consider two boxes side by side, being pushed to the right. Box A, on the left, is 5 kg. Box B, on the right, is 3 kg. They are being pushed by a person using 30 Newtons of force. The broad goal is to understand everything, including their acceleration and their interaction forces. For now, treat friction as zero. a) Draw a motion diagram, label acceleration. Use the idea that the boxes have the same acceleration. b) Force list for Box A and for Box B. c) Free body diagram for Box A & B. Note which forces are caused by the same interaction. These must be the same length. d) Write each force as a vector using bracket notation. Use the idea that two of the forces must have the same length e) Write (sum of F) = m x a for each box f) Calculate the acceleration and the interaction forces between the boxes
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