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A system is shown in the picture on the side, placed in an elevator that moves upward with acceleration a. Determine the rope tension T if table slippery. Known mass of each beam and the gravitational acceleration g

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A system is shown in the picture on the side, placed in an elevator that moves upward with acceleration a. Determine the rope tension T if table slippery. Known mass of each beam and the gravitational acceleration g.

 


Pembahasan :

Percepatan = a

Tegangan tali = T

Percepatan gravitasi = g

Massa m1 = 2

Massa m2 = m

 

Kemudian, perlu tau konsepnya/rumusan.

Jika ditinjau dari benda 1

∑ F = m.a

T1 = m1 . a
T1 = 2a

 

Jika ditinjau dari benda 2

∑ F = m.a

w2 -T2 = m1 . a
m.g - T2 = 2a

T2 = m.g - 2a

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