Question

On a Saturday afternoon, you decide to pay a neighborhood kid to mow your lawn. The kid uses a manual push lawn mower with a mass of m=12 kg. The handle of the lawnmower is tilted θ=37 degrees above the horizontal and the coefficient of kinetic friction between the lawnmower and the ground is μk=0.16. Assume that the kid is pushing parallel to the handle. A. Find an expression for much power the kid supplies to the lawnmower (Pkid ) if the lawnmower is moving at a constant speed of vo=1.5 m/s. B. Find the numerical value for Pkid

Answer 1