ไพ้ก11ใจๅใใใชใใใใชๆ้ขใใงใใใ่งๅบฆใๅคงใใใชใฃใ็ถๆณใงใใๆ้ขใๆฅใซใชใใปใฉๅ ้ๅบฆ \(a = g\sin\theta\) ใๅคงใใใชใใๅใๆ้ใงๅบใ้ใใๅคใใใพใใ็ญๅ ้ๅบฆ็ด็ท้ๅใฎๅ ฌๅผ \(v = v_0 + at\)๏ผใพใใฏ \(v = at\) ใงๅ้ 0๏ผใไฝฟใๆตใใงใใ
ใคใกใผใธ๏ผๆปใๅฐใๆฅใซใชใใฐใชใใปใฉใ่ถณๅ ใฎในใใผใใ้ใใชใใ
ใใๆๅป \(t\) ใซใใใ็ฉไฝใฎ้ใ \(v\)ใ็ญๅ ้ๅบฆ็ด็ท้ๅใฎๅ ฌๅผใง่จ็ฎใใใ
ใๅ้ใใ็ต้ๆ้ใใ้ๅๅ ้ๅบฆ \(g = 9.8\;\text{m/s}^2\)ใใฎใฉใใๅ้กใงไธใใใใฆใใใใ็ขบ่ชใใฆใใๅผใซๅฝใฆใฏใใใ\(\sin\theta\) ใ่จ็ฎใใใจใใซ่งๅบฆใฎๅไฝ๏ผๅบฆ๏ผใฉใธใขใณ๏ผใซๆณจๆใ