Reading position-time graphsस्थिति-समय ग्राफ़ पढ़ना
NCERT Fig 4.13–4.15 · interactive diagram
Parts and their functions
- Axes (अक्ष) — Time on the X-axis, position on the Y-axis. A graph is not a route map.
- Straight sloping line (सीधी झुकी रेखा) — Equal displacements in equal times → constant velocity (uniform motion).
- Curved line (वक्र रेखा) — Displacements in equal times keep increasing → velocity changing → accelerated motion.
- Line parallel to time axis (समय अक्ष के समांतर रेखा) — Position not changing → object at rest (e.g. 40 m from origin).
- Slope = velocity (ढलान = वेग) — v = Δs ÷ Δt, e.g. (80 m − 40 m) ÷ (4 s − 2 s) = 20 m/s. Steeper line → greater velocity.
Original diagram drawn by Simple Learning Hub, based on NCERT Fig 4.13–4.15. Report a mistake