(a) Define relative displacement of one body with respect to another moving along the…
PHYSICS · Subjective · CBSE · Physics · Motion in a Straight Line · Motion in a Straight Line
Problem
(a) Define relative displacement of one body with respect to another moving along the same straight line under uniform accelerations.
(b) Two bodies A and B move on the same straight track with constant accelerations. Explain, with reasons, why the instant at which they meet is obtained by equating their displacements from a common origin and not by equating their velocities.
(c) If body A starts from rest and body B starts 4 s later from the same point with a different constant acceleration, describe qualitatively how their individual displacement–time graphs will appear up to the instant of meeting.
(d) State any two practical situations in everyday life where such an analysis of motion of two bodies is required.