a block of mass "m" slides down an incline, which makes an angle of 30 degrees with horizontal. if the acceleration of the block is 3.3 m/s^2, then find the coefficient of kinetic friction

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Q: In the situation shown below, what is the tension in string 1?

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Q: The practice problem is saying it's not correct. I tried typing in 0.00001058 and 0.000001058

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Q: Two objects of masses m₁ = 0.48 kg and m₂ = 0.96 kg are placed on a horizontal frictionless surface…

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Q: The figure shows a three-particle system, with masses m₁ = 1.2 kg, m₂ = 4.8 kg, and m3 = 7.0 kg.…

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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?”