Physics
Senior High

๐ŸŸฅ้‹ๅ‹•ๆ–น็จ‹ๅผใจ้‡ฃใ‚Šๅˆใ„ใฎๅผใฎ้•ใ„ใฃใฆใ“ใ‚Œ(ๅ†™็œŸ)ใงใ‚ใฃใฆใพใ™ใ‹๏ผŸ

a โ†’ F mg N-mg (2ๅˆ†ใ„) F= ma (้‹) N =-ng (ๆ˜Ÿ) F -Ma ma(ใƒž4ๅˆใ„! Z

Answers

ใคใ‚Šๅˆใ„ใฎๅผใŒN=mg
้‹ๅ‹•ๆ–น็จ‹ๅผใŒma=F

ใ‚ใ‹ใฐ

ๅบŠใŒๆป‘ใ‚‰ใ‹ใชๅ‰ๆใงใ™ใŒ

ใ‚

N=-mgใฏ้‹ๅ‹•ๆ–น็จ‹ๅผใซใชใ‚Šใพใ™ใ‹๏ผŸ
้‹ๅ‹•ๆ–น็จ‹ๅผใซ้‡ฃใ‚Šๅˆใ„ใŒๅ†…ๅŒ…ใ•ใ‚Œใฆใ„ใ‚‹ใฎใชใ‚‰ใ‚ใฃใฆใ„ใ‚‹ใฏใšใงใ™ใŒ๏ผŸ

ใ‚ใ‹ใฐ

้‰›็›ดๆ–นๅ‘ใซๅŠ ้€Ÿๅบฆใฏ็”Ÿใ˜ใฆใ„ใพใ›ใ‚“ใ‚ˆใ€‚

ใ‚

gใฏ้•ใ†ใ‚“ใงใ™ใ‹๏ผŸ

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