MCQ
The angular momentum of a moving body remains constant if
- Anet external force is applied
- Bnet pressure is applied
- Cnet external torque is applied
- ✓net extenal torque is not applied
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$d_{1}=5\, cm , V_{1}=4\, cm , d_{2}=2\, cm , V_{2}=?$
