Q
The increase in a ship's speed is based on:
RRB NTPC (Stage-I)
22/04/2016 / Shift II
2016
✓ Answer:
A
Archimedes' principle
Source key: A, but the wording is erroneous. Archimedes' principle explains flotation. An increase in speed due to a net propulsive force is described by Newton's second law, option D.