Q2. Figure 7-14 shows constant forces F1 and F2 acting on a box as the box slides rightward across a frictionless floor. Force F1 is horizontal, with magnitude 2.0 N; force F2 is angled upward by 60° to the floor and has magnitude 4.0 N. The speed v of the box at a certain instant is 3.0 m/s. What is the power due to each force acting on the box at that instant, and what is the net power? Is the net power changing at that instant? Negative power. (This force is Positive power. T (This force is removing energy.) supplying energy.) 60 Frictionless Eaut Fig. 7-14 Two forces F, and F, act on a box that slides rightward across a frictionless floor. The velocity of the box is v.

Q2. Figure 7-14 shows constant forces F1 and F2 acting on a box as the box slides rightward across a frictionless floor. Force F1 is horizontal, with magnitude 2.0 N; force F2 is angled upward by 60° to the floor and has magnitude 4.0 N. The speed v of the box at a certain instant is 3.0 m/s. What is the power due to each force acting on the box at that instant, and what is the net power? Is the net power changing at that instant? Negative power. (This force is Positive power. T (This force is removing energy.) supplying energy.) 60 Frictionless Eaut Fig. 7-14 Two forces F, and F, act on a box that slides rightward across a frictionless floor. The velocity of the box is v.

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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