1
, , , . . . . .
( ) .
, , , .
, , . (S). 1.
: , .
, , (s), 1.
, , .
v = s /t. /. / (36 / = 10 /). .
, , , . ,
= (v v0)/t. /2.
.
s = v0t + at2/ 2;
v = v0 + at.
, , . . , .
, . . > 0, = const.
: v = v0 + at, s = V0t + at2/ 2.
, . .
, ; , :
v = v0 - at, s = v0t - at2/ 2. .
, (, , ), , , . . , .
2
. . . .
|
|
, . , , , . , , . . . , , . : ) ; ) ; ) .
. 1 , 1 1 / , . , , . , .
R=F1+F2+...+Fn
. , . : F = IlBsina,
F=qv Bsin a., F = q1q2/r2; : F = Gm1m2/r2. ,
, . :.
Fynp = - kx
( ), F = MN .
. . , , , , , :
= F/m.
: F = .
.
, .
F1 = -F2
3