The discussion centers on calculating the frictional force acting on a stationary wall with a mass of 150 kg and a coefficient of friction of 2. The frictional force formula, Fr = (mu)(Fn), is referenced, but the normal force (Fn) must be determined to use this equation effectively. It is clarified that if there is no movement between the wall and the person pushing it, the frictional force will be zero, as static friction only acts to prevent motion. The correct interpretation of the frictional force equation is |Fr| <= mu |Fn|.
PREREQUISITESStudents studying physics, particularly those focusing on mechanics, as well as educators looking for clear explanations of frictional forces and normal force calculations.
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