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2. Boxes A and B are in contact on a 100 N horizontal, frictionless surface. You push on box A with a horizontal 100 N force. Box A weighs 150 N, and box B weighs 50 N. The force that box A exerts on box B is : (a) = 100 N; (b) > 100 N; (c)<100 N; (d) unknown. B

2. Boxes A and B are in contact on a 100 N horizontal, frictionless surface. You push on box A with a horizontal 100 N force. Box A weighs 150 N, and box B weighs 50 N. The force that box A exerts on box B is : (a) = 100 N; (b) > 100 N; (c)<100 N; (d) unknown. B

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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2. Boxes A and B are in contact on a horizontal, frictionless surface. You push on box A with a horizontal 100 N force. Box A weighs 150 N, and box B weighs 50 N. The force that box A exerts on box B is : 100 N A B (a) = 100 N; (b) > 100 N; (c) <100 N; (d) unknown. 3. For the cases shown in below figure, the object is released from rest at the top and feels no friction or air resistance. When the mass reaches the bottom: (a) (b) (c) 2m m m i. In which case(s) will the mass have the greatest speed? (а) ; ii. In which case(s) will the mass have the most work done on it? (b); (c); (d) the same for all (a) ; (b); (c); (d) the same for all 4. Which of the following formulas is valid if the angular acceleration of an object is NOT constant? (a) 0 = w, + a t; (b) a an = r o 2; (c) K = 1/2 * I » ²; (d) %3D none of the above
Transcribed Image Text:2. Boxes A and B are in contact on a horizontal, frictionless surface. You push on box A with a horizontal 100 N force. Box A weighs 150 N, and box B weighs 50 N. The force that box A exerts on box B is : 100 N A B (a) = 100 N; (b) > 100 N; (c) <100 N; (d) unknown. 3. For the cases shown in below figure, the object is released from rest at the top and feels no friction or air resistance. When the mass reaches the bottom: (a) (b) (c) 2m m m i. In which case(s) will the mass have the greatest speed? (а) ; ii. In which case(s) will the mass have the most work done on it? (b); (c); (d) the same for all (a) ; (b); (c); (d) the same for all 4. Which of the following formulas is valid if the angular acceleration of an object is NOT constant? (a) 0 = w, + a t; (b) a an = r o 2; (c) K = 1/2 * I » ²; (d) %3D none of the above
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