Q

A student holds a heavy school bag while waiting for the bus without moving. Which of the following statements are correct? (1) Force is applied by the student. (2) The bag is displaced. (3) Work is done on the bag. (4) No work is done in the scientific sense.

RRB Group D 06 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: D (1) and (4) only
The correct choice is (1) and (4) only. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.
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