Physics

Problem

A person of mass

60\,\text{kg}

stands on a weighing machine placed in an elevator. Take

g = 9.8\,\text{m\,s}^{-2}

. a. Calculate the reading on the machine when the elevator moves upward with an acceleration of

2\,\text{m\,s}^{-2}

. b. Calculate the reading when the elevator moves downward with an acceleration of

2\,\text{m\,s}^{-2}