Question

on a plane surface ,is N = mg or
N = -mg I am confused please help with detailed reason because on ncert 11th physics page 104 eq. 5.17 it is written N= mg but it must be N= - mg
because they are in opposite directions please help me ​

Answer 1

Answer:

please give me some thanks for my some answers

Answer 2

Explanation:

The plane surface will be 10.27 cm

I hope it may help to you..