Answer to Question #346281 in Quantum Mechanics for Fafa

Question #346281

Use dimensional analysis to show the correct dimensions

for quantities below.

(8)

QUANTITY. DIMENSION

FORCE

POWER

PRESSURE

WORK, ENERGY


b. Prove that the equation F=ma is dimensionally correct


1
Expert's answer
2022-05-30T15:16:56-0400
[F]=[ma]=[MLT2][F]=[ma]=[M*LT^{-2}]

[P]=[Fv]=[MLT2LT1]=[ML2T3][P]=[Fv]=[MLT^{-2}*LT^{-1}]=[ML^2T^{-3}]

[p]=[F/A]=[MLT2/L2]=[ML1T2][p]=[F/A]=[MLT^{-2}/L^{2}]=[ML^{-1}T^{-2}]

[E]=[Fd]=[MLT2L]=[ML2T2][E]=[Fd]=[MLT^{-2}*L]=[ML^2T^{-2}]


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