walk isn't super hard but it's kind of hard because your holding all your wight. the bigger you are the harder it is.
Have you ever laughed too hard and your stomach hurt ? This is because, your abs are moving and getting a little workout because your laughing so hard.
Hard disk is recorded, main comes and goes.
No, it's hard to concentrate and hard to write while the bus is moving
So they are able to slide on the ice. If they did not have a slippery body, getting onto ice would be tricky but moving on it would be hard.
The purpose of the brake is to stop the bike from moving so it is really hard to move a bike when you put the brake on.
it does NOT "sink" - unless by accident or enemy action. It "submerges" - so that it can act stealthily, moving around below the ocean surface so it is very hard to detect.
Hard drives generally try to shut down their moving parts when they are moved too rapidly.However they can only take so much jostling about before they fail.
Momentum.
Yes. Any physical activity will burn calories.
Because the feces is moving through your bowels too slowly, allowing too much water to be reabsorbed through the intestinal walls..
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Cumbersome