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Because your Center of Gravity moves, as you bend over to touch your toes, the center of Gravity of a human being, is usually located at the belly button, when you bend over, you're center of Gravity pulls away from you, thus making you fall over, and loose balance, therefore it is impossible to touch your toes, with your heels against a wall.
why when you look at a wall you cant see yourself
It is the force of the wall pushing against your fingers. This is related to Newton's Third Law.
Its all involved with your center of mass. Most females center mass is lower down on the stomach and the males is a little higher. When you usually bend down your backside moves backwards right? Thats because your body does it by default to keep your arms/upper body aligned with your toes because if not you will tilt to much and eventually fall over. So when standing against the wall and leaning over, the wall stops your backside from being able to bend outward causing you to fall over.
Bend over with your head against the wall and lift a chair. Licking your elbow.
you push on the wall and the wall pushes back on you with opposite and equal force.
Kinetic energy/force.
cause of the gravity in side the popcorn that can eat all human being all so you??
You lose your balance when you try this maneuver. What happens is that your heels are stuck in a position where they cannot flex to maintain the action that you want to do. Try this experiment. Stand in the middle of the floor and bend over. Notice that your heels, even if they don't LOOK like they have moved...have! They lift ever so slightly to maintain your balance. The ligaments in your calves contract and lift the heel so that it is in a different position from the upright stance you started in. When your heels are in the position against the wall, the ligaments in your calves cannot pull the heels up to keep your balance. The heels have no room to flex, so you fall over. Looking at your foot, you'll see that the ball of your foot is wider than your heel, and your toes are able to spread apart to be wider than the ball of the foot. This is the mechanism that keeps your balance even when you are barefooted. The ball and toes are the plain that the fulcrum of the heel works on. This is how ladies can walk in high heels! They use the balancing of the heel to walk on the balls and toes of their feet. Men don't usually learn the trick of balancing on their toes. So when you take away the up and down flexing of the heel, you lose your balance, just like this experiment.
It is due to the natural curvature of the spine
Put a chair against the wall and have them bend over and put their head on the wall and pick the chair up and then stand straight up. Men can't do it.
The address of the Bend Public Library is: 601 Nw Wall St, Bend, 97701 2617