85. •A 30-kg golden retriever stands on a digital scale. If the dog and scale are positioned in a elevator, calculate the weight of the dog when the elevator (a) accelerates at 3.5 m/s² downward, (b) when the elevator cruises down at a steady speed, and (c) when the elevator accelerates at 4.0 m/s upward. SSM

85. •A 30-kg golden retriever stands on a digital scale. If the dog and scale are positioned in a elevator, calculate the weight of the dog when the elevator (a) accelerates at 3.5 m/s² downward, (b) when the elevator cruises down at a steady speed, and (c) when the elevator accelerates at 4.0 m/s upward. SSM