Question
Four children were asked to arrange forces due to rolling, static and sliding frictions in a decreasing order. Their arrangements are given below.
Choose the correct arrangement.
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Sliding friction is the force of friction, below two objects, when one of them is sliding over the surface of the other. The force of sliding friction between them is a little smaller than static friction between them.
Between the same two surfaces, once motion is started the friction becomes slightly less than maximum static force rolling friction - force of friction that comes into play when one body rolls over the surface of another body.
It is more convenient to roll then to slide an object once the surface of other
Hence, static friction > sliding friction > Rolling friction.
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A car is negotisting a curved road of radius . The road is banked at an angle theta. The coefficient of friction between the tyres of the car and the road is . The maximum safe velocity on this road is:
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| Question Text | Four children were asked to arrange forces due to rolling, static and sliding frictions in a decreasing order. Their arrangements are given below. Choose the correct arrangement. |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
