sarweston7455 sarweston7455
  • 03-03-2018
  • Mathematics
contestada

Express the work in terms of l, f, and θ. remember to use radians, not degrees, for any angles that appear in your answer.

Respuesta :

mathmate
mathmate mathmate
  • 03-03-2018
Assuming I see a force F acting on an object at an angle theta with the horizontal pushing it through a rough surface over a distance L such that the horizontal component is just required to overcome friction.

Then work done is
W=FLcos(theta)

(Read assumptions above due to lack of diagram)
Answer Link

Otras preguntas

Elements that can be described by the hardness shininess and ductility
what is 1/6 in decimal
how many times does the earth circle around the sun
The Smith family went out for dinner last night and reicved a great service. They decided to leave 20% for their waitress .if the dinner bill totaled $90, how m
Jessie has a box of 1,000 marbles. He has 75 yellow marbles, 230 red marbles, 331 blue marbles, and 364 green marbles. What fraction of his marbles are yellow?
How did the growth of the rail networks affect the meatpacking industry? (a)The meatpacking industry shrank because the demand for other natural resources incre
Angela earns $6.25 per hour babysitting. Estimate how much she will earn if she babysits for 9 hours this weekend. Explain.
Is "supercalifragilisticexpialidocious" a real word or just a random phrase said in Mary Poppins?
Thomas' grandfather is 100. Thomas' grandfather is 10 times older then Thomas.How old is Thomas?
What was the Enlightenment?