The cart and its load bave a total mass of 120 kg Part A Determine the acceleration of the cart Neglect the mass of the wheels. Express your answer to three significant figures and include the appropriate units. a= Value Submit 0 Units Request Answer ? Part B Determine the normal reaction on the pair of wheels at A. Neglect the mass of the wheels. Express your answer to three significant figures and include the appropriate units. ? NA Value Submit Request Answer Units Part C Determine the normal reaction on the pair of wheels at B. Neglect the mass of the wheels. Express your answer to three significant figures and include the appropriate units. Value Submit Request Answer Figure 100 N 1.2 m Units B 0.3 m 0.4 m 0.6 m ? 0.5 m 1 of 1