Solve the following problem and show your complete solutions. (include free body diagram) 1. A crate is on an inclined plane with 0 = 15°. The crate weights 348 N. Given the system in static equilibrium and μ = 0.45 and μk = 0.32; μls a. Determine the magnitude of the normal force. b. Determine the direction of the normal force with respect to the positive x axis. c. Determine the magnitude of the frictional force. d. Determine the direction of the frictional force with respect to the positive x axis. Answers: 0 = 15° M

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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?”