Use force (thrust) equals mass times acceleration.
Answer:
no deflection
Explanation:
current is flowing from west to east. As the magnetic field of a long wire carrying current is circular, its direction will be north below the wire and south above the wire (according to the right hand rule). So, when the compass is placed underneath the wire, it will still point towards the north direction.
Mantle I think idrk cuz of erosion
f=MG
100kg*10=1000
work done =force *distance
1000*3
3000N