Block A, with a Mass of 10 Kg, Rests on a

question 2

Multiple Choice

Block A, with a mass of 10 kg, rests on a 30 incline. The coefficient of kinetic friction is 0.20. The attached string is parallel to the incline and passes over a massless, frictionless pulley at the top. Block B, with a mass of 8.0 kg, is attached to the dangling end of the string. The acceleration of B is:

• A) 0.69 m/s², up the plane
• B) 0.69 m/s², down the plane
• C) 2.6 m/s², up the plane
• D) 2.6 m/s², down the plane
• E) 0

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