Механика. Булгаков Н.А - 25 стр.

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       ?     
     ?
14.      k    .
,    ,   ,   .  
       ?
15. ,   ,   k ,   
    ?
16.   : «,      H, 
      h.    k ?»
: [1, . 100 – 104], [2, . 1, . 57 – 60; 81 – 84], [3, . 100 – 105], [4, . 103 –
105; 120 – 123], [5, . 59 – 64], [6, . 19–20; 30 – 34], [7, . 32 – 37; 50 – 55], [8, . 32 – 34].
Практическая (расчётная) часть лабораторной работы 3
  "___" _____________ 20 ___ . _____________
()
  "___" _____________ 20 ___ . _____________
()
1.    :
m
1
= m
1
± m = ( ± ) , m
2
= m
2
± m = ( ± ) .
2.       :
=

±  = ( ° ´ ± ´).
3.      
i
.
4.      

:

=
n
i
∑
β
=
.
54321
o
≈
±±±
=
β+β+β+β+β
n
5.    
i
 
2
i
:

1
=
1
–

= – ≈ ,
2
1
= ≈ ;

2
=
2
–

= – ≈ ,
2
2
= ≈ ;

3
=
3
–

= – ≈ ,
2
3
= ≈ ;

4
=
4
–

= – ≈ ,
2
4
= ≈ ;

5
=
5
–

= – ≈ ,
2
5
= ≈ .
6.     S
n
:
()
1
2
−
β∆
=
∑
nn
S
i
n
=
≈
.

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