I mean the Minor Psychic Power on page 167 of the core book, naturally. The power doesn't mention making attacks specifically so I'm not sure, but you can manipulate objects with a Str equal to your WP; my Psyker has WP 50 so that's quite a bit of oomph.
I know the power has no effect on living targets, but what about throwing something (for example)? Or bashing a heavy object against someone or tipping something onto them, such as we have seen many times in the Star Wars fillms?
The power obviously excludes fine manipulation, but making an attack doesn't necessarily involve the same level of control as "typing on a dataslate, pulling the pin from another creature's grenade, pulling a trigger, and so on".
If you can use it to make attacks, what mechanics ought to be used for doing so? Seems like you might make a normal WS or BS check, but often Psychic Powers use WP instead.