Una caja de embalaje se coloca en una plano inclinado de 20° si el coeficiente de friccion estatica entre la caja y el plano es de 0.65 ¿ la caja se deslizara hacia abajo por el plano sise suelta desde el reposo ​

The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a.is a south pole because the field hnes spread out from this end b.a north pole because the field lines spread out from this end c.a nouth pole because the field lines enter the magnet at this end d.is a north pole because the field lines enter the magnet at this end