_3. According to the scientific definition of work, pushing on a rock accomplishes no work unless there is a. an applied force greater than its weight. c. a net force greater than zero b. an opposing force. d. movement in the same direction as the force. _4. The potential energy of a box on a shelf, relative to the floor, is a measure of a. the work done putting the box on the shelf from the floor. b. the weight of the box times the distance above the floor. c. the energy the box has, because of its position above the floor. d. any of these.

_3. According to the scientific definition of work, pushing on a rock accomplishes no work unless there is a. an applied force greater than its weight. c. a net force greater than zero b. an opposing force. d. movement in the same direction as the force. _4. The potential energy of a box on a shelf, relative to the floor, is a measure of a. the work done putting the box on the shelf from the floor. b. the weight of the box times the distance above the floor. c. the energy the box has, because of its position above the floor. d. any of these.

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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