Question

why upward force on any ball is m(g+a). explain ..​

Answer 1

g is the acceleration due to gravity.

Here, g is added with acceleration because the ball is thrown upward under gravity.

Hope this will help yaa buddy...

^_^

Answer 2

Answer:

as the ball is moving upward and it will require some acceleration to go up and as gravity is acting on it , it will require g