A women at an airport is towing her 20 kg suitcase by pulling on a strap at an angle of 45° above the horizontal she pull the strap with a 40.0 net force and the friction force between the ground and the suitcase is 12.0 N A) determine the acceleration of the suitcase in the horizontal axis B) determine the normal force from the ground to the suitecase
A women at an airport is towing her 20 kg suitcase by pulling on a strap at an angle of 45° above the horizontal she pull the strap with a 40.0 net force and the friction force between the ground and the suitcase is 12.0 N A) determine the acceleration of the suitcase in the horizontal axis B) determine the normal force from the ground to the suitecase
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Question
A women at an airport is towing her 20 kg suitcase by pulling on a strap at an angle of 45° above the horizontal she pull the strap with a 40.0 net force and the friction force between the ground and the suitcase is 12.0 N
A) determine the acceleration of the suitcase in the horizontal axis
B) determine the normal force from the ground to the suitecase
Expert Solution
Step 1
The suitcase is being pulled by a 40 N force, which is directed along the strap attached to the suitcase.
This strap is attached at an angle of 45o to the suitcase, with the horizontal. So the force on the suitcase is also at the same angle as the strap, with the horizontal.
There is also a force of friction acting on the suitcase as it is moved across the floor. This force of friction acts to oppose the motion of any object, and thus acts opposite to the motion of the object.
Since the applied force is at an angle with the horizontal, this force can be resolved into its horizontal and vertical components.
These are resolved as
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