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Ch ng I: ươ Đ NG L C H C CH T Đi MỘ Ự Ọ Ấ Ể
GVHD: PGS. TS. TR NG TÍCH THI NƯƠ Ệ

Ch ng II: ươ Đ NG L C H C C HỘ Ự Ọ Ơ Ệ
BÀI T P C H C Ậ Ơ Ọ
T p Hai: Đ NG L C H Cậ Ộ Ự Ọ
Chương I: ĐỘNG LỰC HỌC CHẤT ĐiỂM
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x
N

P

T

v

c
F


hình 1.2

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4
1
. 1
k
k
c
T Na P Fm F
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r

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r r rr
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α α
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⇒ = =
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c
P F
T P F m g f m g
T
α
α α α
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( )
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1
1
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