Test Bank For Inquiry into Physics 8th Edition by Vern J. Ostdiek
Chapter 03: Energy and Conservation Laws
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1. Conservation laws can be used even when the details of what is occurring inside a system aren’t known. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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2. The momentum of an object never changes. a. True b. False ANSWER: False POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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3. Kinetic energy is conserved in elastic collisions. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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4. Linear momentum is conserved in all collisions. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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5. Momentum is conserved only when there is no friction. a. True b. False ANSWER: False POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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6. Work done within an isolated system can increase the energy of the system. a. True b. False ANSWER: False POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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7. Centripetal force changes linear momentum but not angular momentum. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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Consider a situation where two moving objects collide and rebound from each other. |
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8. Kinetic energy is definitely conserved. a. True b. False ANSWER: False POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False PREFACE NAME: Objects Collide Rebound DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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9. Linear momentum is definitely conserved. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False PREFACE NAME: Objects Collide Rebound DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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Consider a situation where two moving objects collide, stick to each other, and move off together. |
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10. Kinetic energy is definitely not conserved. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False PREFACE NAME: Objects Collide Stick DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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11. Linear momentum is definitely conserved. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False PREFACE NAME: Objects Collide Stick DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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12. The energy stored in a pile driver is an example of gravitational potential energy. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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13. The energy stored in a stretched spring is an example of gravitational potential energy. a. True b. False ANSWER: False POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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14. The energy of a body moving across a horizontal surface is an example of kinetic energy. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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15. The energy in the water at the top of a waterfall is an example of gravitational potential energy. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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16. The energy of a ball rolling up an inclined plane is an example of both kinetic and gravitational potential energy. a. True b. False ANSWER: True POINTS: 1 QUESTION TYPE: True / False HAS VARIABLES: False DATE CREATED: 6/13/2016 10:29 AM DATE MODIFIED: 6/13/2016 10:29 AM |
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