| 31. | A tire made from squash balls would exhibit more rolling resistance than one made from Superballs.
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| 32. | Passenger tires are tested for rolling resistance in order to obtain the German Blue Angel eco-label
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| 33. | This figure depends on the rolling resistance of the car, the grade resistance, and the curve resistance.
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| 34. | Within the same intended application, more expensive tires tend to be lighter and have less rolling resistance.
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| 35. | Those lower rolling resistance radial-ply tires became standard equipment, in size LR78x15 for the Town and Country.
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| 36. | Also, to even calculate either rolling resistance or static friction, one needs a weight for the car.
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| 37. | Well, you need to know the drag force on the car and the amount of rolling resistance.
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| 38. | For tyres, rolling resistance is defined as the energy consumed by a tyre per unit distance covered.
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| 39. | Note that rolling resistance is proportional to the weight of the vehicle, so that's how weight figures in.
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| 40. | New tires, he explained, have less " rolling resistance, " meaning they have less drag against road surfaces.
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