even though are fewer of these bikes than bikes over 500 cc 1 (c) (i) increases the time taken to stop accept increases collision time 1 decreases rate of change in momentum accept reduces acceleration / deceleration accept reduces momentum is insufficient 1 reduces the force (on the rider) 1 (ii) YES any sensible reason, eg: the mark is for the reason cannot put a price on life / injury • accept may save lives fewer (serious) injuries • accept reduces risk of injury reduces cost of health care / compensation • NO any sensible suggestion, eg: money better spent on • … needs to be specific total number of riders involved is small • 1 [11] M22. (a) The driver has been drinking alcohol. reason only scores if this box is ticked
even though are fewer of these bikes than bikes over 500 cc 1 (c) (i) increases the time taken to stop accept increases collision time 1 decreases rate of change in momentum accept reduces acceleration / deceleration accept reduces momentum is insufficient 1 reduces the force (on the rider) 1 (ii) YES any sensible reason, eg: the mark is for the reason • cannot put a price on life / injury accept may save lives • fewer (serious) injuries accept reduces risk of injury • reduces cost of health care / compensation NO any sensible suggestion, eg: • money better spent on … needs to be specific • total number of riders involved is small 1 [11] M22. (a) The driver has been drinking alcohol. reason only scores if this box is ticked
P2-03-Forces-and-Braking.docx