2kg
In the UK, the maximum axle weight for a trailer axle on a 6 axle trailer is 8500 kg. In addition it must have road friendly suspension. With a 5 axle vehicle the maximum axle weight is 11.5 tonnes.
'un cartable' is a schoolbag
If their Mum buys them a new schoolbag :D
The maximum weight for baby pushchairs varies between countries. It is nearly always between 14kg and 20kg. In the UK it is 14kg but in parts of Europe it is as high as 20kg.
Schoolbag :)
A schoolbag has more inertia than a book because inertia is proportional to mass, and a schoolbag typically has a greater mass than a book. This means that a schoolbag would require more force to move or stop compared to a book due to its greater inertia.
maximum gross weight for a lorry in the uk is 44 tonnes (44 000 kg)
float
There is a maximum weight limit for parachuting. The maximum weight limit for tandem students is 220 lbs., and the maximum weight limit for AFF students is 240 lbs.
A schoolbag is 'un cartable' (masc.) in French. You also may say 'sac d'école'.
There is no maximum weight that a planet can get to. A planet's weight depends on its mass and the gravity it has.
2