physics
posted by mrmr .
A person pushes a 14.0kg lawn mower at constant speed with a force of F = 88.0 N directed along the handle, which is at
an angle of 45.0º to the horizontal (Fig. 4–45). (a) Draw the freebody diagram showing all forces acting on the mower.
Calculate (b) the horizontal friction force on the mower, then (c) the normal force exerted vertically upward on the mower
by the ground. (d) What force must the person exert on the lawn mower to accelerate it from rest to 1.5 m s in 2.5 seconds,
assuming the same friction force?
Respond to this Question
Similar Questions

physics
A person pushes a 14.5 kg lawnmower at constant speed with a force of 88 N directed along the handle, which is at an angle of 45o to the horizontal. What is the force required to accelerate it from rest to 1.5 m/s in 2.5 seconds? 
12th grade Physics
A boy pushes a lawn mower with a mas of 17.9 kg starting from rest across a horizontal lawn by applying a force of 32.9N straight along the handle, which is inclined at an agle of 35.1 degrees above the horizontal. The magnitude of … 
physics  forces
A person pushes a 16.0 kg lawn mower at constant speed with a force of 70.0 N directed along the handle, which is at an angle of è = 45.0° to the horizontal. Calculate the force the person must exert on the lawn mower to accelerate … 
Ap physics
A person pushes a 15.0 kg lawn mower at constant speed with a force of 77.0 N directed along the handle, which is at an angle of θ = 49.0° to the horizontal . (a) Draw the freebody diagram showing all forces acting on the mower. … 
physics
A person pushes a 11.0 kg lawn mower at constant speed with a force of 82.0 N directed along the handle, which is at an angle of θ = 45.0° to the horizontal.Calculate the normal force exerted vertically upward on the mower by … 
physics
A person pushes a 10.0 kg lawn mower at constant speed with a force of 70.0 N directed along the handle, which is at an angle of è = 46.0° to the horizontal 
Physics
A person pushes a 11.0 kg lawn mower at constant speed with a force of 76.0 N directed along the handle, which is at an angle of è = 41.0° to the horizontal. Calculate the normal force exerted vertically upward on the mower by the … 
physics
A person pushes a 17.0 kg lawn mower at constant speed with a force of 74.0 N directed along the handle, which is at an angle of è = 48.0° to the horizontal (b) Calculate the horizontal retarding force on the mower (c) Calculate … 
physics
A nurse pushes a cart by exerting a force on the handle at a downward angle 35.0º below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of friction is 60.0 N. (a) Draw a freebody diagram for the system of interest. … 
Physics
A gardener pushes a mower at a distance of 900 m while mowing the yard. The handle of the mower makes an angle of 40.0 with the ground. The gardener exerts a force of 35.0 n along the handle of the mower. How much work does the gardener …