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25° Original position 117 15⁰ |AT| = 4.25 m |F| = 660 N Final position Ar A. Calculate the work done to move the couch along the ramp, as shown in the diagram above. I highly recommend redrawing F and Ar tail to tail before attempting to calculate the work. Don't forget units on your final answer! B. Draw a new force vector Fnew whose magnitude and direction are your choice. The result of the dot product between your new force vector Fnew and the displacement vector from the diagram Ar must work out to be 400Nm. Clearly label the magnitude of the vector and an angle that it makes with a reference line. (Many correct answers possible)

25° Original position 117 15⁰ |AT| = 4.25 m |F| = 660 N Final position Ar A. Calculate the work done to move the couch along the ramp, as shown in the diagram above. I highly recommend redrawing F and Ar tail to tail before attempting to calculate the work. Don't forget units on your final answer! B. Draw a new force vector Fnew whose magnitude and direction are your choice. The result of the dot product between your new force vector Fnew and the displacement vector from the diagram Ar must work out to be 400Nm. Clearly label the magnitude of the vector and an angle that it makes with a reference line. (Many correct answers possible)

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C. As you are pushing the couch, a friction force Fre from the ramp is opposing the couch's movement. The magnitude of this friction force from the ramp on the couch is 50N. The result of a dot product between the displacement vector Ar and Fr, is -212.5Nm. Determine the angle between Ar and Frc using this information. Show all steps in your process. Draw Fre tail to tail with Ař.
Transcribed Image Text:C. As you are pushing the couch, a friction force Fre from the ramp is opposing the couch's movement. The magnitude of this friction force from the ramp on the couch is 50N. The result of a dot product between the displacement vector Ar and Fr, is -212.5Nm. Determine the angle between Ar and Frc using this information. Show all steps in your process. Draw Fre tail to tail with Ař.
You need to move a couch up a ramp, as seen in the diagram below. Let's figure out how much work you will do in the process. 25⁰ Original position 15⁰ |AF| = 4.25 m | F | = = 660 N Final position Ar A. Calculate the work done to move the couch along the ramp, as shown in the diagram above. I highly recommend redrawing F and Ar tail to tail before attempting to calculate the work. Don't forget units on your final answer! B. Draw a new force vector Fnew whose magnitude and direction are your choice. The result of the dot product between your new force vecter Fnew and the displacement vector from the diagram Ar must work out to be 400Nm. Clearly label the magnitude of the vector and an angle that it makes with a reference line. (Many correct answers possible.)
Transcribed Image Text:You need to move a couch up a ramp, as seen in the diagram below. Let's figure out how much work you will do in the process. 25⁰ Original position 15⁰ |AF| = 4.25 m | F | = = 660 N Final position Ar A. Calculate the work done to move the couch along the ramp, as shown in the diagram above. I highly recommend redrawing F and Ar tail to tail before attempting to calculate the work. Don't forget units on your final answer! B. Draw a new force vector Fnew whose magnitude and direction are your choice. The result of the dot product between your new force vecter Fnew and the displacement vector from the diagram Ar must work out to be 400Nm. Clearly label the magnitude of the vector and an angle that it makes with a reference line. (Many correct answers possible.)
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