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JanetBlair (talk | contribs) No edit summary |
JanetBlair (talk | contribs) No edit summary |
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Explanation: | Explanation: | ||
The elephant walks out to the middle of the bridge and then becomes frightened so she stands quite still – the questions are about the second drawing – when the elephant is still. | The elephant walks out to the middle of the bridge and then becomes frightened so she stands quite still – the questions are about the second drawing – when the elephant is still. | ||
[[Image:Elephant_on_the_bridge.png]] | [[Image:Elephant_on_the_bridge.png|100x100px]] | ||
Focus questions: | Focus questions: | ||
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(2) What forces (pushes/pulls) are there on the bridge? | (2) What forces (pushes/pulls) are there on the bridge? | ||
(3) Any other forces (pushes/pulls) on the elephant or on the bridge? | (3) Any other forces (pushes/pulls) on the elephant or on the bridge? | ||
[[Image:simple view.png|100x100px]] | |||
[[Image:simple view.png]] | |||
There are many forces acting on both the bridge and elephant in this situation. The explanation provided here is a simplified one which deals only with the forces acting on the elephant. | There are many forces acting on both the bridge and elephant in this situation. The explanation provided here is a simplified one which deals only with the forces acting on the elephant. | ||
The most obvious forces acting on the elephant are: | The most obvious forces acting on the elephant are: | ||