6.3 - MOTION OF CENTRE OF MASS
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Practice Questions
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Define the Center of Mass.
💡 Hint: Think about where the mass is concentrated.
What is the formula for the velocity of the center of mass?
💡 Hint: Remember V refers to velocity and P to momentum.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the center of mass?
💡 Hint: Think about how mass is distributed.
True or False: Internal forces affect the motion of the center of mass.
💡 Hint: Recall the definition of internal and external forces.
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Challenge Problems
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A system consists of 3 particles with masses 1 kg, 2 kg, and 3 kg at positions (1,0), (2,2), and (4,0) respectively. Find the center of mass.
💡 Hint: Use the weighted average formula to calculate.
A spaceship is traveling in a straight line and explodes, fragmenting into multiple pieces. Discuss how the center of mass continues to move post-explosion.
💡 Hint: Think of Newton's First Law about inertia.
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