Question

Mohina was sitting in her room and preparing for the exam. She had planned to finish her syllabus by studying whole night. By morning she accomplished the task, but was very tired. She then packed her bag and went to school. (a) How much work was done by Mohina from Physics point of view and why? (b) In what form did energy of food get converted while Mohina was studying? (c) Throw light on qualities of Mohina.

Answer 1

Answer:

the work done by mohina is 0