A chain consisting of five links each of mass 0.200 kg is, Ask an Expert

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Q. A chain consisting of five links, each of mass 0.200 kg, is lifted vertically with a constant acceleration of a = 2.7 m/s2. Find out the magnitude of the force that link 3 exerts on link 2.

Q. A speed skater moving across frictionless ice at 8 m/s hits a 5 m wide patch of rough ice. She slows steadily, and then continues on at 6 m/s. What is her acceleration on the rough ice?

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