8/4/2019 .docx 7.docx2

1/3

, : _____________________________________________ __________________

: ( 5 )

1.

________________________________________________________________________________

4.

.

------------_________

-------------------------------_________

-------------------------------_________

5. ____________________

___________________________________

2.

__________ .

3. _______________________

________________________________________.

: ( 3 )

1. :kg m N

s

m

2. :

3.

:

4. :

kxF! xkF ! kFx ! x

kF!

5. :

8/4/2019 .docx 7.docx2

2/3

( 6 )

1. - ._________________________ ___________

________________________________________________________________________________

2. ?__________________________________ ______________________

________________________________________________________________________________

3. ?____________________________________ ____________________

________________________________________________________________________________

4.

?____________________________________

________________________________________________________________________________

( 9 )

1. , 23,8 N 1,62s

m

2. kg4,13 .

3. .

.

)(st 0 1 2 3 4

s

v 28 21 14 7 0

4.

47sm .

. 0-20 21-44 45-64 65-80 81-100

1 2 3 4 5

8/4/2019 .docx 7.docx2

3/3