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Because, due to friction, there will always be a percentage of the energy lost through wasted heat.

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13y ago

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What is true about the mechanical advantage of a machine?

it is less than the ideal mechanical advantage


Why is the ama of a machine always less than the ima of a machine?

The actual mechanical advantage (AMA) of a machine is always less than the ideal mechanical advantage (IMA) due to factors such as friction, inefficiencies in the machine's design, and other losses of energy. As a result, the actual output force of a machine is typically less than the input force required to operate it, leading to a lower actual mechanical advantage compared to the ideal mechanical advantage.


If the output force is less than the input force of a simple machine the mechanical advantage less than one?

it means the mechanical advantage is greater.


If the input force is less than the input force of a simple machine the mechanical advantage is less than one?

it means the mechanical advantage is greater.


What is true about the mechanical advantage of a machine a it increases with greater friction b it decreases as the input distance increases c it is less than the idle mechanical advantage?

c) It is less than the idle mechanical advantage. The actual mechanical advantage of a machine is always less than the ideal mechanical advantage due to factors like friction and energy losses in the system.


Can a machine be useful even if its mechanical advantage is less than 1?

yes


When is mechanical advantage less than 1?

Mechanical advantage is less than 1 when the output force is less than the input force. This means that the machine is not amplifying the force applied and is actually requiring more effort to move the object. Mechanical advantage less than 1 is often seen in situations where the machine is designed to increase distance or speed at the expense of force.


What does a mechanical advantages less than 1 equal to 1and greater than 1 tell you about the machine?

It tells me that the machine is imaginary and does not exist.


The mechanical advantage of a machine is always greater than 1?

False. The mechanical advantage of a machine can be greater than, equal to, or less than 1, depending on the type of machine and how it is designed.


What is the ratio of output force to input force of a machine?

That's the machine's "mechanical advantage".


For a given machine explain why the MA is usually less than the IMA?

The mechanical advantage (MA) is usually less than the ideal mechanical advantage (IMA) for a machine due to factors such as friction, inefficiencies in the machine's design, and energy losses through heat or sound. These factors cause the input work to be greater than the output work, resulting in a lower actual mechanical advantage compared to the ideal mechanical advantage.


If the output force is less than the input lnput force of a simple machine the mechanical advantage is less than one?

Yes, that is correct. When the output force is less than the input force in a simple machine, the mechanical advantage is less than one. This means that the machine does not multiply the input force, but rather acts as a force multiplier, allowing the user to apply less force over a longer distance to achieve the same work.