Question

a girl weighing 25 kg stands on the floor . she exerts a downward force of 250 N on the floor . what forcr does the floor exert on her.

Answer 1

Since, the girl is at rest and standing on the floor. This simply means that the force on the floor by the girl is balanced by the force on the girl by the floor. So, the force on the girl by the floor is directed upward and has a magnitude of 250 N.

Answer 2

Answer:

According to Newton's third law of motion, the floor exerts a force of 250 N on her in the upward direction.