What are the instructions for the work?

{"answer": "Instructions for the work:

1. Review the topic \"Simple mechanisms, the rule of lever equilibrium\".
2. Photograph or make a drawing of a household tool. Show on the photo or drawing the applied forces F1, F2, the axis of rotation O, and the arms l1, l2.
3. Measure the arms l1, l2 of the applied forces F1, F2.

"}