have one person seated on a stool, have four other people place their index fingers (extended) under each arm pit and under each knee. at the count of 3 try lifting this person off the chair. Very difficult, now place all hands on top of seated persons head with a slight pressure, now simultaneously repeat the above proceedure and you will find that it is very easy to elevate the seated person.
NOw has anyone an explanation as to why this is possible?
2006-09-01
20:41:16
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3 answers
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asked by
mickkooz
4
in
Science & Mathematics
➔ Physics