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Asked Mar 4, 2020
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6. A woman at an airport is towing her 23.0-kg suitcase at constant speed by pulling on a
strap at an angle 0 above the horizontal. She pulls on the strap with a 39.5-N force, and
the friction force on the suitcase is 20.0 N.
(a) What angle does the strap make with the horizontal?
(b) What is the magnitude of the normal force that the ground exerts on the suitcase?
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6. A woman at an airport is towing her 23.0-kg suitcase at constant speed by pulling on a strap at an angle 0 above the horizontal. She pulls on the strap with a 39.5-N force, and the friction force on the suitcase is 20.0 N. (a) What angle does the strap make with the horizontal? (b) What is the magnitude of the normal force that the ground exerts on the suitcase?

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Expert Answer

Step 1

Draw the free-body diagram of the suitcase as:

Physics homework question answer, step 1, image 1

Step 2

(a)

The velocity of the suitcase is constant. Therefore, from Newton’s first law of motion, the net force acting on the suitcase will be zero.

Since the net force acting on the suitcase is zero. Therefore, the net force along the horizontal direction will be zero. So, write the force equation along the...

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