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Method: Lie down on the board as flat as you can with every part of your body resting on the nail bed. Only the portion of the body from below the shoulders upto the waist is on the nails. The weight of the body is evenly distributed on the nails. The arms are outside with elbow and upper arm resting on the floor which takes the major weight. The forearm and wrists are off the floor facing, upwards holding the top plank on the body. This board is placed squarely across the chest. The wrist and chest support only a part of the weight. They all help to balance the weight which the elbows take supported by the floor. The volunteer has to climb slowly over the top plywood first placing one foot and then the other foot, keeping a proper balance of his weight. Keep sufficient pillows under your head. You can also do the feat, stomach down, keeping the palms pressed firmly flat on the floor. Thus the weight of the person is taken by the elbow and knees which rest on the floor. Normal
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bed of nails works?
force on the nails is acting over. This has to do with the pressure that each
nail is exerting on a body. If there is one nail is on the bed, then all of the
force of the body is on the head of the nail. Since this a very small amount of
surface area that the force is being applied to, the pressure is very large
since P=F/A. This would cause a puncture in most materials, including human
skin. If this area is significantly increased by adding a large amount of nails
to the bed, then the pressure would be diminished by a large amount. This
causes the pressure of each nail to not reach the necessary pressure to break
through materials. This would then allow someone to be able to sit on nails and
bring wonder to onlookers.
Experiement: 33
Effect: Making a person lie stiff across two chairs, without any support in the middle, and asking the heaviest person in the audience to stand on him , without collapsing.
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