High School Physics
The screw shown in the Figure is actually a lever attached to a circular inclined plane. The lever part of these screws is a screwdriver. The distance between screw threads is called pitch and has the symbol P. L is the radius of the screw head surface. The effort is applied at the screw head surface with a turning effect using […]
Mechanical Advantage (MA) is the ability to lift or move objects (load) with a large output force while applying only a little input force. The trade-off is that you must operate the smaller input force for a large distance. This is all seen through the work Equation. Work equals force times distance (W = FS). […]
How to Calculate the Mechanical Advantage of Wheel and Axle?
Answer: Mechanical Advantage of Wheel and Axle = M.A = Radius of the wheel/radius of the axle = R/r.
As R > r, the MA of the wheel and axle is always greater than 1.
The mechanical advantage of an inclined plane is calculated as the ratio of the length of the incline and the height of the incline. It can also be calculated using the value of 1/(sin θ), where θ is the angle of inclination.
