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Fisikastudycenter.com,- Physics Olympiads Problems Series, Question #19, newton's law, mechanics, system acceleration, for beginner.

Problem # 19
Given three blocks m₁ = 3 kg, m₂ = 5 kg and m₃ = 2 kg being pushed across a frictionless floor by force F = 75 N shown in figure below. The slope has θ = 37° .



Find the contact force between the block 1 and block 2, use sin 37 ° = ³/₅ and the acceleration due to gravity g = 10 m/s² !
Problem source : Fisikastudycenter.com-Modifikasi Soal Tes Seleksi Olimpiade Fisika Tingkat Kabupaten /Kota Tahun 2011

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Fisikastudycenter.com, Olympiads Problems Series in mechanics, newton's second law, forces, acceleration, physics olympic events preparation for beginner.

Problem 18
Given three blocks m₁ = 3 kg, m₂ = 5 kg and m₃ = 2 kg being pushed across a frictionless floor by horizontal force F = 20 N shown in figure below.



Find the contact forces that are acting on each block!
Problem source : Fisikastudycenter.com-Modification of Indonesian Physics Olympiad Selection Test - District Level Year 2011

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Fisikastudycenter.com, Physics Olympiads Problem Series in mechanics, newton's law, acceleration and contact force for beginner level.

Problem 17
Three blocks (m_A = 3 kg, m_B = 5 kg and m_C = 2 kg that are touching each other in a frictionless ramp with θ = 37°, shown in the figure below.



A force F of 75 N is applied on m_A. Find the system acceleration, use sin 37 ° = ³/₅ and the acceleration due to gravity g = 10 m/s²
Problem Source : Fisikastudycenter.com-Modifikasi Soal Tes Seleksi Olimpiade Fisika Tingkat Kabupaten /Kota Tahun 2011

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Fisikastudycenter.com, physics olympiads problems series, mechanics, newton's law, contact force, acceleration.

Problem 16
Three bloks (m_A = 3 kg, m_B = 5 kg and m_C = 2 kg are touching each others on a frictionless table shown in this figure.



A force F of 20 N acts on m_A. Find the acceleration of the three bloks!
Question source : Fisikastudycenter.com-Modification of Indonesian Physics Olympiads - District / City Level Tets Question Year 2011

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