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“When you fall to the ground, we have the horizontal speed forward and the impact to the ground, and during that impact, there is a tangential force that will lead to rotation of the helmet and the head. “What we actually do with the MIPS system is mimic a fall on ice. So instead...
Twenty﹐ne states and the District of Columbia require youths to wear helmets when riding a bicycle, and there has been a push to extend such laws to adults. We provide new evidence on helmet laws by studying Canada using difference﹊nヾifferences models and restricted area﹊dentified public...
A cyclist needs a bicycle. A helmet is also necessary. What else does a cyclist need? A. cycle path B. cycle lock C. cycle light D. cycle bell 相关知识点: 试题来源: 解析 B。“cycle lock”(自行车锁)由“cycle”(自行车)和“lock”(锁)组成,骑自行车的人需要自行车,头盔也很必要,同时...
is not necessary. It may be a good idea to try an indoor cycling class before signing up for a package deal. If it is not a good fit, or one has sufficient self-motivation, it is possible to get the same workout independently on a stationary bicycle at the gym or by riding out...
No other type of bicycleis as perfectly compatible with electric motors as arecumbent bike or trike. Why, is obvious: The ease of pedaling in the ergonomicsitting positionmakes the ride even more pleasant. The built-in aerodynamic advantage of your recumbent bike or trike c...
STAR stands for the Summation of Tests for the Analysis of Risk, and the STAR score is calculated based on a helmet's performance in a series of impact tests. The impact conditions are sports-specific and inclusive of the broad range of head impacts that athletes are likely to experience. ...
英语翻译Dear Mr.Locke,Last week I fell off my bike.Thanks to my bicycle helmet (头盔),I only broke my leg.“Tell your friends what happened to you,”the doctor said,“so they’ll be sure to wear their helmets,too.”I did what the docto
(周围的)environment clearly.At the same time,the bright lights will make cyclists easily noticed on the street.There is a sensor(感应器)in the helmet.So whenever you are slowing down or coming to a stop,the sensor will turn on the warning light on the back of the helmet....