Work and Energy, Conceptual Questions
See here answers to the conceptual questions of Work and Energy included in the Physics course for grade 11.
| Question 1 | A bucket is taken to the bottom of a well, does the bucket possess any P.E. Explain. See answer |
| Question 2 | When an arrow is shot from its bow, it has K.E. From where does it get the K.E? See answer |
| Question 3 | Does a hydrogen filled balloon possess any P.E? Explain. See answer |
| Question 4 | Is K.E a vector quantity? See answer |
| Question 5 | What happens to K.E of a bullet when it penetrates into the target? See answer |
| Question 6 | Does the tension in the string of a swinging pendulum do any work? Explain. See answer |
| Question 7 | A meteor when enters into the earth’s atmosphere burns. What happens to its energy? See answer |
| Question 8 | What type of energy is stored in the spring of watch? See answer |
| Question 9 | A man drops a cup from a certain height, which breaks into pieces. What energy changes are involved? See answer |
| Question 10 | A man rowing boat upstream is at rest with respect to shore, is he doing work? See answer |
| Question 11 | Why energy savers are used instead of normal bulbs? See answer |
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