Thank you for reporting, we will resolve it shortly
Q.
A stone of mass $1 \,kg$ is lying on the floor of a train which is accelerating with $1\, m \,s^{-2}$. The net force acting on the stone is
Laws of Motion
Solution:
Here, mass of the stone, $m = 1 k\,g$
As the stone is lying on the floor of the train, its
acceleration is same as that of train.
$\therefore \quad$ Force acting on the stone, $F=ma$ $\left(1\,kg\right)$ $\left(1\,m\,s^{-2}\right)$ $=1 \, N$
Note : Here weight of the stone is balanced by the normal reaction of the floor.