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Learning Goat: To practice Problem-Solving Strategy 6.1for Neutonian mechanics problems. x of mass When the box reaches a speed of 25 m/s. you start pushing on one edge of the box at a 45 angie (use degrees in your calculations throughout this problem) with a constant force of magnitude F, = 23.0 N as shown in (Eigure 1). There is now a trictional force between the box and the wall of magnitude 13.0 N. How fast is the box siding 22sater you started pushing on t? The vector sum of the forces is found directly trom the tree-body diagram. Depending on the problem, ether 3.0 kg sides down a rough vertical wal. The gravitational force on the box is 294 N • Solve for the acceleration, and then use kinematics to find velocities and positions; or • Use kinematics to determine the acceleration, and then solve for unknown forces. A box o ASSESS Check that your result has the correct units, is reasonable, and answers the question Model Start by making a simplitying assumotion: We will assume all the forces acting on the box are constant, so now you can model the box as a particie moving with a constant acceleration Visualize • Part A Using our simplited 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 A B D start to push

Learning Goat: To practice Problem-Solving Strategy 6.1for Neutonian mechanics problems. x of mass When the box reaches a speed of 25 m/s. you start pushing on one edge of the box at a 45 angie (use degrees in your calculations throughout this problem) with a constant force of magnitude F, = 23.0 N as shown in (Eigure 1). There is now a trictional force between the box and the wall of magnitude 13.0 N. How fast is the box siding 22sater you started pushing on t? The vector sum of the forces is found directly trom the tree-body diagram. Depending on the problem, ether 3.0 kg sides down a rough vertical wal. The gravitational force on the box is 294 N • Solve for the acceleration, and then use kinematics to find velocities and positions; or • Use kinematics to determine the acceleration, and then solve for unknown forces. A box o ASSESS Check that your result has the correct units, is reasonable, and answers the question Model Start by making a simplitying assumotion: We will assume all the forces acting on the box are constant, so now you can model the box as a particie moving with a constant acceleration Visualize • Part A Using our simplited 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 A B D start to push

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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Constants | Periodic Table Learning Goal: To practice Problem-Solving Strategy 6.1 for Newtonian mechanics problems. The vector sum of the forces is found directly from the free-body diagram. Depending on the problem, either . Solve for the acceleration, and then use kinematics to find velocities and positions; or . Use kinematics to determine the acceleration, and then solve for unknown forces. 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 F, = 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 2.2 s after you started pushing on it? ASSESS: Check that your result has the correct units, is reasonable, and answers the question. Model Start by making a simplifying assumption: We will assume all the forces acting on the box are constant, so now you can model the box as a particle moving with a constant acceleration. Visualize 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 В す start to push オ=す Check all that apply. O A O B O C O D Submit Request Answer Figure < 1 of 1> Part B Complete previous part(s) Solve Part C Complete previous part(s) Assess 45° Part D Complete previous part(s) Provide Feedback Next
Transcribed Image Text:Constants | Periodic Table Learning Goal: To practice Problem-Solving Strategy 6.1 for Newtonian mechanics problems. The vector sum of the forces is found directly from the free-body diagram. Depending on the problem, either . Solve for the acceleration, and then use kinematics to find velocities and positions; or . Use kinematics to determine the acceleration, and then solve for unknown forces. 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 F, = 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 2.2 s after you started pushing on it? ASSESS: Check that your result has the correct units, is reasonable, and answers the question. Model Start by making a simplifying assumption: We will assume all the forces acting on the box are constant, so now you can model the box as a particle moving with a constant acceleration. Visualize 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 В す start to push オ=す Check all that apply. O A O B O C O D Submit Request Answer Figure < 1 of 1> Part B Complete previous part(s) Solve Part C Complete previous part(s) Assess 45° Part D Complete previous part(s) Provide Feedback Next
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