Read the situation given below and answer the questions that follow.
Aman walks straight from his house to the library, covering a straight-line distance of 120m. His sister Bina chooses a winding route of length 150m to reach the same library, starting from the same house and ending at the same entrance door.
(a) Whose distance travelled is greater? Give reason.
(b) Whose displacement is greater in magnitude, Aman’s or Bina’s? Explain your answer.
(c) Classify distance and displacement as scalar or vector quantities and justify your choice for each.