A woman at an airport is towing her 20.0 kg suitcase at constant speed by pulling on a strap at an angle of 30° above the horizontal. The friction coefficient between the wheels of the suitcase and the floor is 0.5 and the woman pulls on the strap with a 35.0 N force. 1. (a) Draw a free-body diagram of the suitcase (b) What is the magnitude of the normal force that the ground exerts on the suitcase? Hint: Use Newton's Second Law and decompose forces. (c) What is the friction force acting on the suitcase?

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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: