The discussion revolves around a physics problem involving a sphere connected to a block via a spring, where a constant force is applied to the sphere. The participants are exploring the conditions under which the block overcomes static friction and begins to move, as well as the relationship between the displacement of the spring and the motion of the block.
Several participants have provided insights into the energy and force balance equations, while others have raised questions about the assumptions made regarding the system's motion. There is an ongoing exploration of how to determine the moment when the block starts moving and the corresponding displacement of the spring.
The problem involves specific parameters such as the coefficients of static and dynamic friction, the mass of the block and sphere, and the spring constant. Participants are also considering the implications of these parameters on the motion of the system.
Check the evaluation. (Maybe you already caught this.)Thermofox said:##\sqrt {\frac {2~20~0.0491 - 200~(0.0491)^2} { \frac {21} 5 (0.3)^2}}## ##≈ 1,252~rad/s##