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Q: A 100 newton force applied to a machine lifts a 400 N object what is the actual mechanical advantage of this machine?
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What is the difference between actual machanical advantage and ideal machanical advantage?

Ideal mechanical advantage is what could be obtained without the effects of gravity and friction lowering the efficiency of the machine. The actual mechanical advantage is what can actually be obtained by the 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.


You test a machine and find that it exerts a force of 5 N for each 1 N of force you exert operating the machine What is the actual mechanical advantage of the machine?

The mechanical advantage is 5.Mechanical Advantage = Output Force/Input Force


Why do you multiply to find the total mechanical advantage?

The "Ideal Mechanical Advantage" of a simple machine isIMA = output force /input force . To find the 'actual' or real-world mechanical advantage,multiply the IMA by the machine's efficiency.


The more efficient a machine is the closer the actual mechanical advantage is to the?

Perfect efficiency


Distinguish between theoretical mechanical advantage and actual mechanical advantage How will these compare if a machine is 100 percent efficient?

When a machine is 100% efficient, theoretical and actual MAs are the same. Please let me know when you run across one of these.


What can be done to increase the efficiency of the machine?

Mechanical Efficiency is the ratio of Actual mechanical advantage to ideal mechanical advantage.Efficiency will be maximum when Actual mechanical advantage equals that of ideal.But practically not possible.Actual mechanical advantage will be less due to friction,heat,deflection etc.avoiding these loses will increase the machine efficiency.


What will increase the actual mechanical advantage of a machine?

Common mechanisms for obtaining mechanical advantage would include such as multiple pulleys, hydraulic systems, gears, and levers.


How does actual mechanical advantage compare with ideal mechanical advantage?

The actual mechanical advantage is usually less, due to losses.


What is the ideal and actual mechanical advantage of a machine?

we can save our time by using machines and a machine can perform the work of hundred men.


What are the units for actual mechanical advantage?

No units. It is a ratio


If a machine was 100 percent efficient how would the AMA compare to the IMA?

At perfect 100% efficiency, the Actual Mechanical Advantage should equal the Ideal Mechanical Advantage.