Post a New Question

physics

posted by on .

a father pulls hi children in a wagon for 25 minutes covering 1.25 miles on a level sidewalk. he pulls with an average force of 35 lbf at an angle of 45 degrees to the sidewalk.

(a) how much work is done (in ft.lbf)?

(b) what is the average horsepower required?

  • physics - ,

    work= force*distance*cosine45=
    work= 35*.707*1.25*5280

    horspower: work in ft-lbs/550

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question