200 J of work is done when a force is applied to an object and the object moves 10 m to the right. How much Force was applied?

 20N

Explanation:

Given parameters:

Work done  = 200J

Distance moved  = 10m

Unknown:

Amount of force applied  =?

Solution:

Work done is the force applied on a body to move it in the direction of the force.

      Work done  = force x distance

The unit of work done is in joules

Since the unknown is force, we make it the subject of the expression;

           Force  =

           Force  =   =  20N

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach