You need to describe the set up better. Frictional force between what two objects - you and the wall?imagesparkle said:Homework Statement
Okay so there is a wall that has a mass of 150 kg and I am pushing it but the wall does not move. The coefficient of friction is 2 and I am trying to find the frictional force using the frictional force formula. Although, I need the normal force in which I am using to push the wall but don't know how to find the normal force.
Homework Equations
Fr = (mu)(Fn)
The Attempt at a Solution
Frictional force is the force that resists the motion of objects sliding against each other. It is caused by the microscopic irregularities in the surfaces of the objects that come in contact with each other.
Frictional force and normal force are directly related to each other. Normal force is the force exerted by a surface on an object that is in contact with it, perpendicular to the surface. Frictional force is the force that acts parallel to the surface of contact and opposes the motion. The magnitude of frictional force depends on the magnitude of normal force.
The magnitude of frictional force depends on the nature of the surfaces in contact, the normal force, and the roughness of the surfaces. It also depends on the presence of any lubricants or fluids between the surfaces.
Frictional force acts in the opposite direction of the motion of an object, causing it to slow down or come to a stop. It also affects the amount of force needed to move an object, as it must overcome the resistance of frictional force.
No, frictional force cannot be completely eliminated. However, it can be reduced by using lubricants or smoother surfaces, but there will always be some amount of frictional force present between two surfaces in contact.