What do the magnets in a computer hard drive and in the strip on a credit card have in common?
The answer is they store information

they store information

Explanation:

Information are encoded on the magnetic part of a hard drive and the strip of a credit card.

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards