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tricky_tick
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tricky_tick said:can you please explain how you arrived at that conclusion?
tricky_tick said:Answer d yields a maximum value of Work. We are looking for a minimum value.
marlon said:please prove your statement...
marlon
An inclined plane is a simple machine that is a flat surface with one end higher than the other. It is commonly used to reduce the amount of force needed to move an object up or down, by spreading the work over a longer distance.
The mechanical advantage of an inclined plane is the length of the ramp divided by its height. In other words, it is the ratio of the length of the incline to its height.
The angle of inclination is directly related to the effort force required. As the angle of inclination increases, the effort force required to move an object up the incline decreases. This is because a steeper incline provides a longer distance over which the work is distributed.
A frictionless inclined plane is a theoretical concept where there is no friction between the object and the surface of the incline. In reality, there is always some amount of friction present, which makes the effort force required to move an object up the incline slightly higher than the calculated value using the mechanical advantage formula.
Inclined planes are used in many everyday objects and activities. Some examples include ramps for wheelchairs and strollers, escalators, slides, and even roads on hilly terrain. They are also used in construction, such as in the construction of roads, stairs, and roofs.