"With our day to day experience, we must expert some force on an object to keep it moving".
By which law, you can support the above lines?

"With our day to day experience, we must expert some force on an object to keep it moving". Which acts on the body? Either force or net forces?

We can protect our environment by recycling of paper. How do you support this?

Lift an object up from the ground. Work done by the force exerted by you on the object moves it in upward direction. Thus the force applied iis in the direction of displacement. However there exists a force gravitational in the object at the same time * Which one of these forces is doing positive work ? * Which one is doing negative work ? * Give reasons.

Electrostatic field lines of force do not form closed loops. If they form closed loops then the work done in moving a charge along a closed path will be zero. From the above two statements can you guess the nature of electrostatic force?