The project must require at least 15 hours of work on the student's part.

It required no action on his part, even at second hand.

And then it doesn't require any effort on your part.

It required a physical effort on her part to turn away from him.

Yes, I don't believe the situation requires further intervention on our part.

This requires a fair amount of work on your part.

In addition, writing may take longer and require greater effort on the student's part.

This would also require the ability on our part to make changes to the Union.

It required no great effort on his part to keep watch to learn more.

Waiting for him to waste away and die would require no effort on my part.