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Benda A, B, dan C pada gambar di atas massanya ber...

Benda A, B, dan C pada gambar di atas massanya berturut-turut 10 kg, 15 kg, dan 20 kg. Benda C ditarik dengan gaya F sebesar 90 N (lantai licin). Percepatan masing-masing benda adalah....

Jawaban:

begin mathsize 14px style sum for blank of F space equals space m a Percepatan space benda space straight C F space equals space m subscript c a subscript c 90 space equals space 20 a subscript c a subscript c space equals space 4 comma 5 space straight m divided by straight s squared  Percepatan space benda space straight B F space equals space left parenthesis m subscript b plus m subscript c right parenthesis a subscript b 90 space equals space left parenthesis 15 plus 20 right parenthesis a subscript b 90 space equals space 35 a subscript b a subscript b space equals space 2 comma 57 space straight m divided by straight s squared  Percepatan space benda space straight A F space equals space left parenthesis m subscript a plus m subscript b plus m subscript c right parenthesis a subscript a 90 space equals space left parenthesis 10 plus 15 plus 20 right parenthesis a subscript a 90 space equals space 45 a subscript a a subscript a space equals space 2 space straight m divided by straight s squared end style

 

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