The most common and most likely answer to this crossword clue is the 6 letter word VECTOR
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Buddy explains!
The straight part
We know that "Force or velocity etc.?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case force or velocity etc.? = vector.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does VECTOR mean?
VECTOR noun- A directed quantity, one with both magnitude and direction; the signed difference between two points.
- An ordered tuple representing a directed quantity or the signed difference between two points.
- Any member of a (generalized) vector space.
- A chosen course or direction for motion, as of an aircraft.
- A carrier of a disease-causing agent.
- (by extension) A person or entity that passes along an urban legend or other meme.
- A recurring psychosocial issue that stimulates growth and development in the personality.
- The way in which the eyes are drawn across the visual text. The trail that a book cover can encourage the eyes to follow from certain objects to others.
- (operating systems) A memory address containing the address of a code entry point, usually one which is part of a table and often one that is dereferenced and jumped to during the execution of an interrupt.
- A one-dimensional array.
- A graphical representation using outlines; vector graphics.
- A DNA molecule used to carry genetic information from one organism into another.
- To set (particularly an aircraft) on a course toward a selected point.
- To redirect to a vector, or code entry point.