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friction opposes the mechanical advantage of a simple machine.
for example, if you had a inclined plane that gave you an advantage of 3:1 (3 times longer then it is high) the frictional force cause by an object being pushed up the ramp would be in the direction opposite to the direction of motion equal to u*N (mu times the normal force of the object)
so for a 10 kg object being pushed up the ramp, under normal gravity = 9.81 N and a coefficent of friction = .3, the frictional force would be equal to 3 N.
if you were pushing the object on flat ground with a force of 15N, you would actually need 18 N to maintain the same speed of having no friction
appling this to the ramp, if 15N is needed to push on flat ground, only 5 N would be needed to push the object up a 0 friction ramp, and 8 N would be needed to push it up a ramp with friction to maintain the same speed.
this is true for all simple machines, and it only depends on where the friction is being created, weather it be friction between a screw and wood, a rope and the pulley, or the fulcrum and a lever
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What factor affect the mechanical advantage of simple machine?
friction affects the M.A in a simple machine.
What happens to the mechanical advantage of a machine if friction is reduced through the use of oil or some other means?
Wear and tear of moving parts would be reduced. Less energy would be needed to run the machine, as there would be less friction to be overcome. A well lubricated machine is more efficient than a neglected machine with unoiled parts.
How does increased friction affect the actual mechanical advantage of a machine?
Increased friction reduces the actual mechanical advantage of a machine because more of the input force is used to overcome friction rather than move the load. This results in less of the input force being effectively transferred to the load, decreasing the overall efficiency of the machine.
What factor affect the mechanical advantage of a simple machine?
The more moving/mechanical components in a system the greater likelihood of a part failing. remember that no part is ever manufactured exactly, there is always a tolerance (an amount the dimension/specification can vary by) cumulatively this increase the more parts you add. Basically a simple machine has less things that can break and is easier to maintain.
How does increasing weight affect the ideal mechanical advantage?
The ideal mechanical advantage is determined by the shape, size, and configuration of the simple machine. The weight of the load, the size of the applied force, or the weight of the components or materials of the machine itself have no effect on the ideal mechanical advantage.
If there was no friction what would that do to mechanical advantage and how would it affect efficiency?
Without friction, some forms of mechanical advantage do not function. In most cases for a mechanical apparatus, a reduction in friction is usually accompanied by an increase in efficiency.
How does the mechanical advantage of a machine affect it's work output?
The mechanical advantage of a machine indicates how much it multiplies force or velocity. A higher mechanical advantage means the machine requires less input force to achieve a certain output force, but it may trade-off by requiring more input distance. Ultimately, the work output of a machine is affected by its mechanical advantage as it determines the efficiency in transforming input work into output work.
What are the different types of forces acting on a pulley system and how do they affect the overall mechanical advantage of the system?
In a pulley system, the main types of forces are tension and friction. Tension is the force exerted by the rope or cable on the pulley, while friction is the resistance to motion between the pulley and the rope. These forces can affect the overall mechanical advantage of the system by either increasing or decreasing the efficiency of the pulley system. More tension can increase the mechanical advantage, making it easier to lift heavy loads, while friction can reduce the efficiency of the system, requiring more force to lift the same load.
What are the factor that affect the efficiency of simple machine?
Factors that can affect the efficiency of a simple machine include friction, mechanical losses, wear and tear, misalignment, and material properties (such as strength and durability). Proper maintenance and lubrication can help improve efficiency by reducing these factors.
Does friction affect the period of a metronome?
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How does the length of a ramp affect its mechanical advantage?
The longer the ramp, the smaller the mechanical advantage. Mechanical advantage is determined by the ratio of the length of the ramp to its height. As the ramp gets longer, the ratio decreases, resulting in a lower mechanical advantage.
How does electrical resistance affect the movement of charges?
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