Mechanics of Impacts - Biomechanics 0.0 / 5 ? Sports ScienceBiomechanicsUniversityNone Created by: anniecritchlowCreated on: 16-05-19 12:30 Momentum = mv 1 of 15 Total momentum... Remains constant 2 of 15 Is momentum a scalar or vector quantity? Vector 3 of 15 Sum of momentums after an impact is... Equal to sum of momentums before impact 4 of 15 What value determines ratio of an objects velocity before and after an impact? Coefficient of restitution 5 of 15 The greater the restitution the... Less energy is lost on impact 6 of 15 What is not a feature of a dough ball on impact? Energy is returned 7 of 15 The rebound of the ball is not dependent on... Pressure 8 of 15 Coefficient of restitution is given as a number between... 0-1 9 of 15 What equation calculates COR? -e = Vr/Vi 10 of 15 How can -e be calculated from 2 moving objects? -e = V1r - V2r / V1i - V2i 11 of 15 What is not a factor that could affect COR? Mass 12 of 15 What is the impact point that imparts maximum speed to the ball and minimises the impulsive forces transmitted to the hand? Sweet spot 13 of 15 What is the point of contact where the linear and angular motions at the handle cancel? Centre of percussion 14 of 15 What is dependant on the centre of power, centre of percussion and primary nodal point? Sweet spot 15 of 15
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