An object is displaced from point A(2m,3m,4m,) to a point B (1m,2m,3m) under a constant force `(2hati+3hatj+4hatk)` N. Find the work done by this force in this process.

Explanation

To solve the problem of finding the work done by the force when an object is displaced from point A to point B, we can follow these steps:

### Step 1: Identify the Coordinates
The coordinates of point A are given as \( A(2, 3, 4) \) and the coordinates of point B are given as \( B(1, 2, 3) \).

### Step 2: Calculate the Displacement Vector
The displacement vector \( \vec{r} \) can be calculated using the formula:
\[
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