| • lever rule | |
| उत्तोलक: hoist sling lever lifting lift Jack take-up lever | |
| नियम: Institutes precentor tenet provision theory | |
उत्तोलक नियम अंग्रेज़ी में
[ utolak niyam ]
| • lever rule | |
| उत्तोलक: hoist sling lever lifting lift Jack take-up lever | |
| नियम: Institutes precentor tenet provision theory | |
