Supiyanto Kelas X Evaluasi Bab 4 Nomor 1

Apabila dimensi panjang, massa dan waktu berturut-turut adalah L, M, dan T, maka dimensi gaya adalah …

A. \text{M}{{\text{L}}^{2}} D. {{\text{M}}^{-1}}\text{LT}
B. \text{ML}{{\text{T}}^{-1}} E. \text{MLT}
C. \text{ML}{{\text{T}}^{-2}}

Penyelesaian

Gaya = massa x percepatan

\text{F}=\text{ma}

Satuannya

\text{N}=\text{kg}\times \text{m}/{{\text{s}}^{2}}

 

Dimensinya

 

\text{dimensi }\!\!~\!\!\text{ gaya}=\text{M}\times \frac{\text{L}}{{{\text{T}}^{2}}}=\text{ML}{{\text{T}}^{-2}}

 

Jawaban C

Supiyanto. 2006. FISIKA UNTUK SMA KELAS X. Jakarta: Phiβeta.

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