Friction

Before any impending motion (i.e., before slipping occurs), increasing the applied force P has what effect on the magnitude of the friction force F?

Before any impending motion, why does the friction force F increase as the applied force P increases?

Increasing the applied force P has what effect on the magnitude of the normal force N acting on the box?

Increasing the applied force P on the box has what effect on the location of the normal force x?

Increasing the height at which P acts on the box has what effect on the location of the normal force x?

Increasing the height at which P acts on the box has what effect on the magnitude of the friction force F?

Increasing the weight W of the box has what effect on the location of the normal force x?

Slipping of the box occurs when which of the following conditions is met?

If P and W remain the same, increasing the angle θ of the inclined plane can induce slipping because,

The maximum static friction force F_max that exists between the inclined plane and box is equal to,

Tipping of the box occurs when which of the following conditions is met?

Using the above coordinate system, which of the following is the correct equilibrium equation for the box?

For the following question, h is the height along the y-axis at which the applied force P acts on the box. If the normal force N is located at the leftmost edge of the box, which of the following is the correct equilibrium equation for the sum of momentsabout that point?