Consider three boxes of masses mi, m, and my kept on a horizontal frictionless surface as shown in the figure, where the string and the pulley are of negligible mass. Determine the horizontal force F applied to prevent any relative motion between the three masses. Assume there is no friction between all the surfaces. (a) ♬ _ m-8 (m, + m₂ + m, m.g = m mg(m, +m₂ + m₂) (b) F m₂ m.g(m,+ m₂ +m,) (c) F= m₂ (d) ♬ _ .g (m + m₂ +m₁) m₂ + m₂ F m₂ m₂ m₂

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Consider three boxes of masses mi, m, and my kept on a horizontal frictionless surface as
shown in the figure, where the string and the pulley are of negligible mass. Determine the
horizontal force ♬ applied to prevent any relative motion between the three masses.
Assume there is no friction between all the surfaces.
(a) F=
(b) F=
(c) F=
(d) F=
m₂g (m + m₂ + m₂)
m
m_g(m₂ + m₂ + m₂)
m₂
m₂g (m₂ + m² + m₂)
m₂
m₂g (m₁ + m₂ + m₂)
m₂ + m₂
F
m₂
m3
m₂
Transcribed Image Text:Consider three boxes of masses mi, m, and my kept on a horizontal frictionless surface as shown in the figure, where the string and the pulley are of negligible mass. Determine the horizontal force ♬ applied to prevent any relative motion between the three masses. Assume there is no friction between all the surfaces. (a) F= (b) F= (c) F= (d) F= m₂g (m + m₂ + m₂) m m_g(m₂ + m₂ + m₂) m₂ m₂g (m₂ + m² + m₂) m₂ m₂g (m₁ + m₂ + m₂) m₂ + m₂ F m₂ m3 m₂
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