Which is the best definition of a collision?

Question

Two objects colliding over several hours.
Two or more objects colliding over several days.
Two or more objects colliding in a short period of time.
Three objects colliding in a short period of time.

Answer 1

The best definition of a collision from the options provided is: Two or more objects colliding in a short period of time.

This definition captures the essence of a collision, which typically involves a relatively quick interaction between objects, rather than an extended duration.