Physics
Senior High
Resolved
๐๐๐่ณๆฅใ้กใใใพใ๐๐๐
ๅๅญฆ
ๆฉๆฆ
๏ผ2๏ผ๏ผa๏ผใๆใใฆใใ ใใ๏ผ
ๅใใใใใใพใใใ
ๅคงใใใฏMF/m๏ผMใ ใจๆใใพใใ๏ผ
ใใใใใ้กใใใพใ
่ณช้ใ m ใจใ,้ๅๅ ้ๅบฆใฎๅคงใใใ gใจใใใ
4.4
ๅณใฎใใใซ2ใคใฎ็ดไธไฝใฎ็ฉไฝ A ใจBใๆฐดๅนณใงใชใใใใชๅบไธใง้ใญใฆ็ฝฎใใAใจๅบใฎ้ใซใฏๆฉๆฆ
ไฝ็จใใชใใBใซใฏ็ณธใ้ฃ็ตใใฆ,ๅผตๅ F ใงๆฐดๅนณๆนๅใซๅผใฃๅผตใใ็ฉไฝ Aใฎ่ณช้ใ M, ็ฉไฝBใฎ
ๅคงใฎ
ใพใใ็ฉไฝ A ใจBใฎ้ใซๆฉๆฆใใชใๅ ดๅใ่ใใใ
0
1)็ฉไฝ A, Bใฎๅ ้ๅบฆใฎๅใใจๅคงใใใใใใใๆฑใใใ
ๆฌกใซใ็ฉไฝA ใจBใฎ้ใซๆฉๆฆใใใๅ ดๅใ่ใใใใใฎ้ๆญขๆฉๆฆไฟๆฐใฮผ, ๅๆฉๆฆไฟๆฐใฮผใจใใใ
ใฏใซใ็ฉไฝ A, Bใฏใจใใซๅบใฎไธใง้ๆญขใใฆใใ, ๅผตๅใฎๅคงใใ Fใ0ใใๆฌก็ฌฌใซๅคงใใใใฆใใใ
12) ๅผตๅใฎๅคงใใFใใFใใใๅฐใใใจใ, AใจBใฏไธไฝใจใชใฃใฆ้ๅใใใ
(a) ็ฉไฝ A ใ็ฉไฝBใใๅใใๆฉๆฆๅใฎๅใใจๅคงใใใๆฑใใใ
(b) ็ฉไฝ A ใจBใฎๅ ้ๅบฆใฎๅใใจๅคงใใใๆฑใใใ
(C) Fใใๆฑใใใ
(3) ๅผตๅใฎๅคงใใ Fใ Fใใ่ถ
ใใใจ, AใซๅฏพใใฆBใๆปใใชใใ้ๅใใใ
(a) ็ฉไฝ Aใ็ฉไฝBใใๅใใๆฉๆฆๅใฎๅใใจๅคงใใใๆฑใใใ
(b) ็ฉไฝ A, B ใฎๅ ้ๅบฆใฎๅใใจๅคงใใใใใใใๆฑใใใ
B
F
'A
Answers
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