Supiyanto Kelas X Evaluasi Bab 4 Nomor 14

Suatu gaya bekerja pada benda bermassa 5 kg sehingga mengalami percepatan 2 \text{m}/{{\text{s}}^{2}}. Gaya yang sama akan menyebabkan benda bermassa 20 kg mengalami percepatan …

A. 0,5 \text{m}/{{\text{s}}^{2}} D. 4,9 \text{m}/{{\text{s}}^{2}}
B. 2,0 \text{m}/{{\text{s}}^{2}} E. 8,0 \text{m}/{{\text{s}}^{2}}
C. 3,0 \text{m}/{{\text{s}}^{2}}

Penyelesaian

Gaya

F=ma=5.2=10~N

 

Gaya yang sama akan menyebabkan benda bermassa 20 kg mengalami percepatan

a=\frac{F}{m}=\frac{10}{20}=\frac{1}{2}~\text{m}/{{\text{s}}^{2}}

 

Jawaban A

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

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