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March 30, 2017

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A woman at an airport is towing her 27.0 kg suitcase at constant speed by pulling on the strap at an angle θ above the horizontal. She pulls on the strap with a 32.0 N force, and the friction force on the suitcase is 11.0 N.

(a) What angle does the strap make with the horizontal?

(b) What normal force does the ground exert on the suitcase?

  • physics - ,

    Draw the force diagram: 11N horizontal, and 32cosTheta horizonal. Set them equal, solve for theta.

  • physics - ,

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