Work In Physics

Work in physics is basically like this, if you use force to move objects and it moves, you are doing a work. Either it is a pull or a push, if its moving you're doing a work. One of the examples is when you kick a ball. You kick it forward, and the ball move forward. But if you don't use a force to move something, there is no work, the object are at rest. Or if you use force to move something but the object is still at rest, the object doens't move, there is no work at all. Example: If you try to move a tractor or a wall, it won't move at all because you're not strong enough. Another thing that doesn't create a work is that if you push something forward but it go to another direction. The SI unit of force is J or joules.

Formula of work : W = F x D OR Work = Force Times Distance
W: work
F= Force
D= Distance  

Example: if you kick a ball with 200N with the distance of 100m, how much work done by the force acting on the object?
Work = Force x Distance
Work = 200N x 100m
Work = 20000J