A crate of mass m=2.0 kg is placed on a frictionless inclined plane of angle θ=30. a) Determine the acceleration of the crate after it is released. b) Calculate the normal force on the crate. c) What would be the acceleration of the crate if there was kinetic friction (μk=0.2) between the crate and the plane?

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: