Which of the following fitt principle refers to the AMOUNT OF ENERGY
the exercise require?

you aren't worthless, you are a one of a kind person who, deserves happiness like anyone else, you may not get it but everyone deserves happiness. i hope this .

the gravitational force on an object increase as the mass of an object also, im not going to report you, but this question should be under the science category, not health

well say a good goal is to do 150 sit ups in a week! or 90 pull ups a day. even 60 push ups in a month these are all fair goals!