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Handheld implements are usually accelerated. The hand generates a free moment required for acceleration. By considering this torque, the centre of pressure moves further away from the centre of mass of the implement. In implements accelerated by a torque before impact, the centre of pressure is closer to the tip of the implement than in stationary implements. The hand force as a function of time was...
Roadside columns exposed to traffic without being properly shielded are severe hazards to the occupant safety of the vehicle impacting to the posts. In the case, passively safe columns should be used. Energy absorbing columns and breakaway ones are the most popular system. In this study, passively safe column of new concept is developed. It consists of a column having a special base plate with a key...
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