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▼ Part A Using our simplified model, in which we know that the forces are constant (but we don't know what their magnitudes are), which, perhaps more than one, of the following motion diagrams could be a reasonable representation of the motion of the box? A B с start to push 4111 Check all that apply. A B OC OD D

▼ Part A Using our simplified model, in which we know that the forces are constant (but we don't know what their magnitudes are), which, perhaps more than one, of the following motion diagrams could be a reasonable representation of the motion of the box? A B с start to push 4111 Check all that apply. A B OC OD D

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
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Which of the following motion diagrams could be a reasonable representation of the motion of the box? (Select all that apply.)

  • A
  • B
  • C
  • D
Part A Using our simplified model, in which we know that the forces are constant (but we don't know what their magnitudes are), which, perhaps more than one, of the following motion diagrams could be a reasonable representation of the motion of the box? A B C start to push 4111 Check all that apply. J A to D
Transcribed Image Text:Part A Using our simplified model, in which we know that the forces are constant (but we don't know what their magnitudes are), which, perhaps more than one, of the following motion diagrams could be a reasonable representation of the motion of the box? A B C start to push 4111 Check all that apply. J A to D
Learning Goal: A box of mass 3.0 kg slides down a rough vertical wall. The gravitational force on the box is 29.4 N. When the box reaches a speed of 2.5 m/s, you start pushing on one edge of the box at a 45° angle (use degrees in your calculations throughout this problem) with a constant force of magnitude F₂ = 23.0 N, as shown in (Figure 1). There is now a frictional force between the box and the wall of magnitude 13.0 N. How fast is the box sliding 2.4 s after you started pushing on it? Figure 45° F₂ 1 of 1
Transcribed Image Text:Learning Goal: A box of mass 3.0 kg slides down a rough vertical wall. The gravitational force on the box is 29.4 N. When the box reaches a speed of 2.5 m/s, you start pushing on one edge of the box at a 45° angle (use degrees in your calculations throughout this problem) with a constant force of magnitude F₂ = 23.0 N, as shown in (Figure 1). There is now a frictional force between the box and the wall of magnitude 13.0 N. How fast is the box sliding 2.4 s after you started pushing on it? Figure 45° F₂ 1 of 1
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Part B Still using our simplified model (in which we do not know the magnitudes of the forces), draw a free-body diagram showing all the forces acting on the box after you start pushing on it. The positive y axis is taken to be upward. The black dot represents the box. Since our model is about having constant forces of unknown magnitude, you do not need to draw the vectors to scale, but your final diagram should be physically reasonable.
Transcribed Image Text:Part B Still using our simplified model (in which we do not know the magnitudes of the forces), draw a free-body diagram showing all the forces acting on the box after you start pushing on it. The positive y axis is taken to be upward. The black dot represents the box. Since our model is about having constant forces of unknown magnitude, you do not need to draw the vectors to scale, but your final diagram should be physically reasonable.
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