'un cartable' is a schoolbag
If their Mum buys them a new schoolbag :D
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.
Schoolbag :)
float
A schoolbag is 'un cartable' (masc.) in French. You also may say 'sac d'école'.
un cartable
No and I am Awesome
2kg
A schoolbag
In my schoolbag I have...
It is two words. Writing it as one is acceptable in the UK and is referred to as a "Britishism." But in American grammar, it is always two separate words.