physics
posted by Anonymous .
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 the ground.

physics 
bobpursley
well, the normal force has to overcome the weight of the mower, mg, plus the downward force of pushing, which is 82Cos45.
add them
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. … 
11th grade physics
Rachel pulls her 177N suitcase at a constant speed by pulling on a handle that makes an angle () with the horizontal. Using frictional force on the suitcase as 27N and Rachels force on 43N on the handle to calculate the net force. … 
physics
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 … 
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 lawn mower weighs 1274 N. A person tries to push the mower up a hill that is inclined 15o to the horizontal. How much force does the person have to exert along the handle just to keep the mower from rolling down the hill if the normal …