?? ?????????? ???????? ?????
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??
???? ???
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??
?????? ??????? ????????
??
?????? ??????? ?????????
[1]
??
?????? ?????????
[1]
??
?????? ??????? ????????
??
????
????? ?????????
???????? ??? ???? ??? ????? ???
???????
. ??????
????? ??????? ??????
??
?????
??? ?? ????? ????? ??????.
???????? ??????? ???? ???? ??? ??? ??? ??????
h
1
?? ??? ????? :
??? :
- m
????
????? ???????????
- g
???? ???????? ???????
: 9,81
???/????? ?????
- h
1
??????
????? ?? ????? ??? ?????? ??????? (??????)
- h
0
?????? ????? ?? ????? ??? ?????? ?????? (??????).
????? ?????? ???? ???? ??? ??? ????? 70
????????
??? ???? ??????? 100
???
.
???????? ?? ???????? ???? ??? :
E
p
= 70 . 9,81 . 100
- ???? ????? = 68.600
???
??? ???? ???? ??? ?????? 100 ??? .
????? ???? ???? ?? ??????? ?????? ???? ??? ???????? ??? ????? ??? ?? ???
????
:
???? ?? 1
????
??
?????
????? 16 ???????. ??????? ?????? ???? ???? ????? ???? ????? ?? ????? ????? ????? ?????? ??? ?????? 100 ??? :
- ???? ????? = 68.6 ??????? ÷ 16 ???????/????
- ???? ????? = 4
????
???
???? ??
?????
???? ???? ????? ????? ??? ??? ??????? 100 ???.
???? ?????
[
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]
?????
[
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]
???? ?????
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