| Velocities | After 1st impulse (from M to N & m): | After 2nd impulse(from N to m): | ||
| Body | Seen from A | Seen from B | Seen from A | Seen from B |
| M |
| Not calculated |
| Not calculated |
| N | W | 0 | 0 | w = −W |
| m | W | 0 | U | v |