A block of mass m, = 3.70 kg on a frictionless plane inclined at angle e = 30.0° is connected by a cord over a massless, frictionless pulley to a second block of mass m2 = 2.30 kg. What are (a) the magnitude of the acceleration of each block, (b) the direction of the acceleration of the hanging block, and (c) the tension in the cord? m1 т2 Ө

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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?”