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| SYSTEMS PREPARATION 2008 - QUESTIONS |
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| V. Ryan © 2008-2017 |
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| PDF FILE - CLICK HERE FOR PRINTABLE WORKSHEET |
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| 1. Roller coasters are found in theme parks throughout
the world. Electricity is used to drive the large motors that pull the
carriages up the tracks and gravity allows the carriages to pick up sped
on the way down. Complete the systems diagram below to show the main
energy changes. |
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| POSSIBLE ANSWER |
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| 2. What is Kinetic Energy ? |
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| ANSWER |
| The energy a body possesses because it is
moving. |
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| 3. The carriage of a roller coaster seen below is at
the top of an incline. At any point it could roll downwards, gathering
speed. What is potential energy? |
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| Potential energy is: |
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| ANSWER |
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| The energy which a body has because of its
position, eg. a coiled spring or a train at the top of a hill. |
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| 4. The carriage at the bottom of the roller coaster
incline has a special gear system. On the diagram the gear system is
marked A and B. What are the correct names for parts A and B ? |
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| PART A: |
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| PART B; |
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| ANSWERS |
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| PART A: Pinion |
| PART B: Rack |
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