Newton's Laws Bonus Assignment is posted here

Bonus assignment – due October 11, 20121. A woman at an airport is towing her 25.5-kg suitcase at constant speed by pulling on astrap at an angle θ above the horizontal. She pulls on the strap with a 36.0-N force, andthe friction force on the suitcase is 20.0 N.(a) Draw a free-body diagram of the suitcase.(b) What angle does the strap make with the horizontal?(c) What is the magnitude of the normal force that the ground exerts on the suitcase?2. Two objects are connected by a light string that passes over a frictionless pulley as shownin the figure below. Assume the incline is frictionless and take m 1 = 2.00 kg, m 2 = 7.70kg, and θ = 53.5°.(a) Draw free-body diagrams of both objects.(b) Find the magnitude of the accelerations of the objects.(c) Find the tension in the string.3. In the system shown in the figure below, a horizontal force x with a magnitude of 100 N actson an object of mass m 2 = 6.15 kg. The horizontal surface is frictionless.

(a) Draw free body diagrams for both objects.(b) If mass m 1 = 4.35 kg, what is the magnitude of acceleration of the two objects?(c) Find the magnitude of tension in the string.