The gravitational force is one of the four fundamental forces. The ticks in the table match particles with the other fundamental forces they experience.
In which row is the particle matched to the only other fundamental forces it experiences?
| Particle | Electromagnetic force | Weak nuclear force | Strong nuclear force |
|---|
e+e^+e+ | ✓\checkmark✓ | ✓\checkmark✓ | ✓\checkmark✓
π+\pi^+π+ | ✓\checkmark✓ | | ✓\checkmark✓
nnn | | ✓\checkmark✓ | ✓\checkmark✓
νˉe\bar{\nu}_eνˉe | ✓\checkmark✓ | ✓\checkmark✓ |