Motion

This original revision companion supports the official NCERT book; it does not replace it.

Focus

Separate distance, displacement, speed, velocity, and acceleration.

Common mistake

Speed is scalar; velocity includes direction.

10-minute routine

1. Read the matching section in the official NCERT book ↗.
2. Write three key ideas without looking.
3. Take the Class 9 practice quiz ↗.
4. Check your score in My Practice ↗.

हिंदी में पढ़ें →