The phrase 'it requires more effort' is correct and usable in written English.
You can use it when you need to express the idea that a particular task or goal is difficult and will take more effort than usual to complete or achieve. For example: "Completing my degree in two years required more effort than I had expected."
They may be reluctant to use a new strategy because it requires more effort or work than the procedures they routinely use.
The PNS algorithm is very simple and easily designed to realize system but it requires more effort to reduce the IC.
While the involvement of varied constituencies is important, obtaining it requires more effort from the needs assessor and therefore is less commonly employed [Witkin, B.R. (1994). Needs assessment since 1981: The state of the practice. Evaluation Practice, 15(17 27]–27].
It requires very little belief to sprout but it requires more effort to grow.
It requires more effort than in some cars, such as the 3 series BMW gearbox, but it is precise and easy to use.
Disadvantages of this method are that it requires more effort from interviewers and analysts to categorize the self-reported activities, that the interviews (therefore) usually take up more time compared to self-reported questionnaires, and that it may underestimate secondary activities and activities that take up little time or little attention, such as 'trying to find things' (Robinson [1985]).
Since AHSS demonstrates more severe springback behaviour than ordinary mild steels, it requires more efforts to meet the design specification of the stamped parts.
It requires more efforts in the education of health professions".
We know there is happiness available every day, most of it requiring more effort than money.
Not only will it require more effort and concentration to keep yourself focused during your exercise — you'll also find it harder to make progress in terms of building muscle.
