Spring Block System
### Spring Force
$$F=-kx$$
### Potential Energy Stored
$$U=\frac{1}{2}kx^2$$
### Maximum Velocity
$$v_{max}=A\omega$$
### Terminologies
- k → Spring constant.
- x → Displacement.
- A → Amplitude.
- ω → Angular frequency.
### Conditions / Special Cases
At maximum displacement:
$$v=0$$
At mean position:
$$v=v_{max}$$
### Usage
- Used in oscillation and energy problems.