IS WORK DONE EVERY TIME A FORCE IS APPLIED TO AN OBJECT? EXPLAIN

Whenever a force is applied to an object, causing the object to move, work is done by the force. If you move the book at constant speed horizontally, you don't do any work on it, despite the fact that you have to exert an upward force to counter-act gravity.

Alternative energy refers to energy sources other than fossil fuels (such as coal, petroleum, and diesel) and includes all renewable and nuclear energy sources.

Explanation: