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class 11
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Given
m₁ = 5 kg
m₂ = 10 kg
To find
Acceleration of system. [Acceleration due to gravity = 9.8 m/s²]
Solution
force of gravity of m₁ [F₁] = m₁ × a
= 5 kg × 9.8 m/s²
= 49 Newton
Force of gravity of m₂ [F₂] = m₂ × a
= 10 kg × 9.8 m/s²
= 98 Newton
Unbalanced force on system = F₂ - F₁
= 98 - 49
= 49 Newtons
Total mass = 5 + 10 = 15 kg
We know that A = Unbalanced F/M
A = 49 newtons ÷ 15 kg
A (acceleration) = 3.27 m/s²
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Answer:
accleration = 3.26 m/s
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