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2. Mechanics of Oscar Pistorius's running blades - Wikipedia

   en.wikipedia.org/wiki/Mechanics_of_Oscar...

   The team collected metabolic and mechanical data by indirect calorimetry and ground reaction force measurements on Pistorius's performance during constant-speed, level treadmill running, and found that the energy usage was 3.8% lower than average values for elite non-disabled distance runners, 6.7% lower than for average distance runners and 17 ...

3. Spring (device) - Wikipedia

   en.wikipedia.org/wiki/Spring_(device)

   A flat spring fixed only at one end like a cantilever, while the free-hanging end takes the load. Coil spring Also known as a helical spring. A spring (made by winding a wire around a cylinder) is of two types: Tension or extension springs are designed to become longer under load. Their turns (loops) are normally touching in the unloaded ...

4. Brake lining - Wikipedia

   en.wikipedia.org/wiki/Brake_lining

   The dynamic friction coefficient "μ" for most standard brake pads is usually in the range of 0.35 to 0.42. This means that a force of 1000 Newtons on the pad will give a resulting brake force close to 400 Newtons. There are some racing pads that have a very high μ of 0.55 to 0.62 with excellent high-temperature behaviour.

5. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

6. Non-skid - Wikipedia

   en.wikipedia.org/wiki/Non-skid

   Non-skid is a surface applied to the deck of a ship to increase the coefficient of friction and reduce the probability of footwear or vehicle tires sliding along a ...

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!