The devised known as Atwood's machine has a 4-kg (Block A) tied to one end and a 12-kg block (Block B) tied to the other. Determine the acceleration and the tension in the cord. A B

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Q: can you solve the rest of the questions too please

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Q: resistance of the coil

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Q: What units would the expected value of "k" use? Why?

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”