Question 1 (25 Marks) (2O: 4) A circular racotrack for "formula 1" of racius 124m in to be denigned so that race cax of mass 780kg can trawol round the bend. Carry out the following tasks. (a) Draw Free body diagram (5 Marles) (b) Determine the required barking angle of the track, measured from the horizontal so that the race car can travel round the bend at 80km/s without side thrust on the tyres (10Marks) (c) For the angle of banking found in part (b) above, what would be the coefticient of friction if skidding outwards commences for a car travelling at 170km/h. (10Marks)