A schoolbag is 'un cartable' (masc.) in French. You also may say 'sac d'école'.
un cartable
don mon cartable jai un crayon
'un cartable' is a schoolbag
A schoolbag is "un cartable" in French; cartable is a masculine noun.
If their Mum buys them a new schoolbag :D
A student's school equipement (ie schoolbag, pencil case, etc.) is "les affaires d'école" in French. The equipment of the school (furniture, sports area, ...) is "les équipements de l'école".
no tengo .... en mi mochilla/maleta ('....'stands for whatever it is you don't have in your bag)
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
2kg
A schoolbag