Respuesta :
Answer:
The book is not falling because,you are pushing it against a wall.(I don't know if this is helpful sorry if you get it wrong-)
Step-by-step explanation:
Answer:
It will not fall down because of the force of your hand that blocks gravity from pulling it down.
Step-by-step explanation:
Newton's first law states that an object at rest or in motion will remain unless the object experiences a net external force. The external force is your hands!