A Screw

A screw is a simple machine with an inclined plane coiled around a cylinder or cone, with the threaded part serving as the inclined plane and the shaft being the cylinder or cone.

Mechanical Advantage (MA)

The mechanical advantage (MA) of a screw equals the force multiplication when turned, calculated as MA = screw length divided by thread distance. Thus, screws with greater thread distance have a higher mechanical advantage.

Rotating Force

Rotating force, also known as torque, is the force that causes an object to rotate around an axis. It is dependent on the amount of force applied and the distance from the axis of rotation. The SI unit for torque is the Newton-metre (Nm).

Linear Force

Linear force, also known as translational force, is the force that causes an object to move in a straight line. It is dependent on the amount of force applied and the mass of the object. The unit of measurement for force is Newtons (N).