A solid rectangular box of mass 200 kg is kept on top of the flat surface of the train and suddenly the train starts moving with some acceleration ‘a’. Find the maximum acceleration of the train at which the box start slipping. (μs = 0.30, g = 10 m/s2)
1
0.3 ms-2
2
3 ms-2
3
4 ms-2ms-2
4
5 ms-2