yes your muscles must do work in order for you to move
Walking across the room is not work against gravity.Walking up the stairs is work against gravity.Walking down the stairs is work with gravity.
Yes, the girl carrying a bag walking down the street appears to be doing physical work by carrying the bag. Walking with a heavy load can be tiring and require effort from the muscles, contributing to a physical workout.
Running around the block typically requires more work as it involves higher intensity and effort compared to walking. Running requires more muscle engagement, higher heart rate, and more calorie expenditure than walking.
Yes, work is being done. Work is defined as the product of the force applied to an object and the distance over which it is applied. In this case, when the girl carries the bag while walking down the street, she exerts a force to lift the bag against gravity and move it horizontally, thus work is being done.
A claim that can be tested scientifically is one that is falsifiable, meaning it can be proven false through experimentation or observation. Additionally, the claim should be measurable and replicable so that other researchers can verify the findings. Claims that are based on subjective opinions or beliefs without empirical evidence are typically not considered scientifically testable.
proof
It doesn't.
scientifically i dont really know.
Scientifically, you do work every time you move an object with a push or pull.
can a cop stop you from walking home from work ask where are you going
energy is scientifically defined as the ability to do work.
WORK as is scientifically defined.
yes
yes , GPS is fully equipped to work for people walking on foot.
Yes, they even work when you are walking.
any of the three can work but it should be done regularly.
yes