Question

why can't we insert magnet in vehicals

As magnet pulls each other when facing Same poles when they come in contact with each other.

So there would be no accident if magnet were interested in vehicles as if one car magnet comes in contact with other car the vehicle Stop automatically

And a switch is also given in car for closing the magnet power when car has to go in parking​

Answer 1

Answer:

electric motor v nikal gya h