Class Notes NCERT Solutions for CBSE Students
NCERT 9th Class (CBSE) Science: Motion Quiz
16 Multiple Choice Questions related to NCERT 9th Class (CBSE) Science: Motion Quiz
- When an object covers equal distances in equal intervals of time, it is said to be in uniform motion.
- It is defined as the distance traveled by an object in unit time. Its unit is m/s.
- While plotting a distance-time graph, we should plot time on X- axis as, all independent quantities are plotted on X-axis.
- The physical quantity is – 15 m/s. It represents velocity because sign of speed cannot be a negative. Negative sign indicates the opposite direction.
