Physics Practice Problems
CHAPTER 6 REVIEW NAME_________________________________________ 1) Can work be done on a system if there is no motion? A) Yes, if an outside force is provided. B) Yes, since motion is only relative. C) No, since a system which is not moving has no energy. D) No, because of the way work is defined. Answer: D Diff: 1 Type: BI Var: 1 Page Ref: Sec. 6.1 3) If you push twice as hard against a stationary brick wall, the amount of work you do A) doubles. B) is cut in half. C) remains constant but non-zero. D) remains constant at zero. Answer: D Diff: 1 Type: BI Var: 1 Page Ref: Sec. 6.1