7. You increase the amount of work being done on a box when youA. increase the distance to where you are pushing it.increase the speed at which you are pushing it.В.get it stuck halfway to the place where you are pushing it.D. pick it up halfway there and carry it the rest of the way.С.8. If you do 450 J of work in 5 s, your power isshA. 90 W.C. 55 W.D. 250 W.В. 45 W.9. To do the same amount of work on an object, a large force applied over a short distance can beexchanged by aA.small force over a short distance.B. small force over a long distance.C. large force over a long distance.D. None of the above10. Suppose you live on the top floor of the Lake Point Tower in Chicago, 195 m above the ground. If yourweight is 500 N, what minimum amount of work must the elevator do to lift you from the ground floor tothe top floor?A. 305 JВ. 97,500 JС. 695 JD. 2.5 J-11. The largest palace in the world is the Imperial Palace in Beijing, China. The palace covers a rectangle750 m long by 960 m wide. If you were to push a lawn mower around the perimeter, applying a force of60 N, how much work would you do?A. 43,200,000 JВ. 205,200 ЈC. 102,600 JD. 45,000 J12. The largest turtle ever caught in the United States weighed about 844 N. How much work would have tobe done to lift this turtle slowly 2 m from the surface of the water onto the deck of a research ship?A. 422 JВ. 842 JC. 846 JD. 1688 J13. The longest shish kebab ever made was 881 m long. Suppose meat and vegetables need to bedelivered in a crate from one end of this shish kebab's skewer to the other end. A cook pushes the crateby applying a net force of 40 N. What is the work done on the crate and its contents by the cook duringthe delivery?A. 35,240 JВ. 841 JС. 22 JD. 0 J

According to guidelines we are allowed to solve only 3 MCQs, please post the others in the next…

7. You increase the amount of work being done on a box when you A. increase the distance to where you are pushing it. в. increase the speed at which you are pushing it. C. get it stuck halfway to the place where you are pushing it. D. pick it up halfway there and carry it the rest of the way. 8. If you do 450 J of work in 5 s, your power is A. 90 W. В. 45 W. C. 55 W. D. 250 W. 9. To do the same amount of work on an object, a large force applied over a short distance can be exchanged by a A. small force over a short distance. small force over a long distance. C. large force over a long distance. D. None of the above B.

7. You increase the amount of work being done on a box when you A. increase the distance to where you are pushing it. в. increase the speed at which you are pushing it. C. get it stuck halfway to the place where you are pushing it. D. pick it up halfway there and carry it the rest of the way. 8. If you do 450 J of work in 5 s, your power is A. 90 W. В. 45 W. C. 55 W. D. 250 W. 9. To do the same amount of work on an object, a large force applied over a short distance can be exchanged by a A. small force over a short distance. small force over a long distance. C. large force over a long distance. D. None of the above B.

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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