MCQ
It is difficult to move a cycle with brakes on because
- ARolling friction opposes motion on road
- BSliding friction opposes motion on road
- CRolling friction is more than sliding friction
- ✓Sliding friction is more than the rolling friction
Sliding friction > Rolling friction
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\overrightarrow{{r}}=10 \alpha {t}^{2}\, \hat{{i}}+5 \beta({t}-5)\, \hat{{j}}$
Where $\alpha$ and $\beta$ are dimensional constants. The angular momentum of the particle becomes the same as it was for ${t}=0$ at time ${t}=$ .....$seconds.$
