Ch04-Lecture

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� 𝐹 ∝ 𝑚

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Customized by Dr. Ahmad I. Ayesh, Department of Mathematics, Statistics and Physics , Qatar University, 2014 Mass and Acceleration The acceleration of an object is inversely proportional to the object’s mass if the net force remains fixed. 𝑚 ∝ 1 𝑚
Customized by Dr. Ahmad I. Ayesh, Department of Mathematics, Statistics and Physics , Qatar University, 2014 Newton’s second law of motion The acceleration of an object is directly proportional to the net force acting on it, and inversely proportional to the mass of the object. � 𝐹 = 𝑚𝑚 The SI unit for force is the newton (N). 1𝑁 = 1𝑘𝑚 . 𝑚 𝑖 2 The component form: � 𝐹 𝑥 = 𝑚𝑚 𝑥 , � 𝐹 𝑦 = 𝑚𝑚 𝑦 , � 𝐹 𝑧 = 𝑚𝑚 𝑧

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Customized by Dr. Ahmad I. Ayesh, Department of Mathematics, Statistics and Physics , Qatar University, 2014 Some notes on units 1 𝑚𝑑𝑚𝑇 = 1 𝑚 . 𝑑𝑚 𝑖 2 = 10 −5 𝑁 We will use the SI system .