A body moves from 2i+3j+5k to -2i-1j+3k under the action of a force that is acting towards the origin. What is the total work done
Please solve the following ques with explanation.
Is the body free from other forces just like being the body and coordinate system put up in space?
Let F be the force acting towards the origin. In a sense the force is pulling the body towards origin, i.e. along the initial position vector i.e. 2i+3j+5k. So eventually the body reaches the origin. Now reach the position -2i-j+3k, the force needs to change it's nature it has to act away from the origin. That's contradiction.
This implies many possibilities, like it's not the only force acting. Problem is not clearly specified.
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