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What is the mechanical advantage of a lever that can lift a 100 N load with an input force of 20 N?
Wiki User
∙ 10y ago
The mechanical advantage is the ratio of the output force to the input force.
MA = output/input (output force divided by the input force)
For the example, 15N/30N gives the MA as 0.5 (one half).
Wiki User
∙ 13y ago
The mechanical advantage of a lever is calculated by dividing the output force by the input force. In this case, the mechanical advantage is 100 N (output force) divided by 20 N (input force), which equals 5. This means the lever provides a mechanical advantage of 5, making it easier to lift the load.
Wiki User
∙ 12y agoAMA Magnitude of Effort Force
So an AMA (MA) of Two ...
You might have gotten confused, as AMA and MA are often interchanged.
I remember being so confused on such things only to find out that I had the answer the entire time, as I was reading differently worded formulas from multiple physics references ... Just wait until you start measuring Energy in Calories and find out that a calorie is not a calorie, which is also not a Calorie ... It see,s the more 'Educated' humans become, the more 'Common Sense' they lose ... It's not your fault that you can't seem to find the answers, it's all the faulty textbooks ... It is often helpful to narrow down a formula by dropping certain words, such as in this case 'Actual' in AMA, which in turn causes 'AMA' to become 'MA' ... I really hope all of this helps you in your searches ... :)
Wiki User
∙ 15y agoThe mechanical advantage of such a thing is that it will make work easier. This is because it requires very little force to operate.
Wiki User
∙ 13y agoMA = output force / input force
MA = 125N / 25N
MA = 5
No units on this answer because mechanical advantage is a ratio, not a quantity.
Wiki User
∙ 10y agoSimply divide the output force by the input force.
Wiki User
∙ 12y agoThe net force is zero.
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∙ 10y agohi
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What is the mechanical advantage of a lever where 5 n of input force is needed to move a 10 n box using that lever.?
The mechanical advantage of the lever in this case is 2. This is calculated by dividing the output force (10 N) by the input force (5 N), which gives a mechanical advantage of 2. This means that the lever allows you to lift or move objects that are twice as heavy as the force you apply.
What do you need to calculate the mechanical advantage of a lever?
To calculate the mechanical advantage of a lever, you need to know the input force (the force applied to the lever) and the output force (the force exerted by the lever). The mechanical advantage is then calculated by dividing the output force by the input force.
If a lever with a mechanical advantage of 13 is used to move a rock with a force of 845N what is the imput force?
To find the input force, divide the output force (845N) by the mechanical advantage (13). So, the input force = 845N / 13 = 65N.
Why is the output force of a second-class lever always greater than the input force?
In a second-class lever, the output force is always greater than the input force because the effort arm is longer than the resistance arm. This mechanical advantage allows the lever to amplify force, making it easier to lift heavy objects.
What would be the ideal mechanical advantage of the lever if the fulcrum 2m to the right?
The ideal mechanical advantage of a lever is calculated by dividing the distance from the input force to the fulcrum by the distance from the output force to the fulcrum. In this case, with the fulcrum 2m to the right, the mechanical advantage would be different for different positions along the lever.
Which statement is true about the ideal mechanical advantage of a third-class lever?
The ideal mechanical advantage of a third-class lever is always less than 1. These levers allow for increased speed and range of motion at the expense of force output.
What is the ratio of a lever?
The mechanical advantage of a level is the ratio of the output force to the input force.
How do you find the output force of a 1st class lever?
Multiply (the input force) x (the lever's mechanical advantage).
Why is the output force of a second-class lever always greater than the input force?
In a second-class lever, the output force is always greater than the input force because the effort arm is longer than the resistance arm. This mechanical advantage allows the lever to amplify force, making it easier to lift heavy objects.
How do you calculate a lever's mechanical advantage?
From the design of the lever (on paper), the mechanical advantage is effort arm/load arm which means Distance from pivot to the applied force/distance from pivot to the load The result of that is that the forces will have the reciprocal ratio, and the input force to the lever will be the output force/the Mechanical Advantage .
If a lever with a mechanical advantage of 13 is used to move a rock with a force of 845N what is the imput force?
To find the input force, divide the output force (845N) by the mechanical advantage (13). So, the input force = 845N / 13 = 65N.
What are the levers that operate at a mechanical advantage?
Levers that operate at a mechanical advantage include those with the effort force applied farther from the fulcrum than the resistance force, such as a crowbar or wheelbarrow. These levers allow for a smaller input force to move a larger output force. The mechanical advantage of a lever is determined by the ratio of the distances from the fulcrum to the effort force and resistance force.
What is the mechanical advantage formula for a 1st class lever?
The mechanical advantage formula for a 1st class lever is calculated by dividing the distance from the fulcrum to the input force by the distance from the fulcrum to the output force. Mathematically, M.A = input arm length / output arm length.
How is input and output shown on a force diagram?
Input and output are shown on a force diagram by the human being the input force and the load force being the output force. When you divide output force by input force, you get the mechanical advantage of a lever.
What is a lever with a mechanical advantage greater than one used to do?
A lever with a mechanical advantage greater than one is used to amplify the input force applied to it. This allows for easier lifting of heavy objects, moving loads with greater ease, or multiplying the force exerted by the user.
What is the unit of mechanical advantage?
Simple machines, such as a lever, inclined plane, or wheel and axle, give you a mechanical advantage.You calculate the mechanical advantage of a simple machine by dividing the output force by the input force.
A lever is used to lift a 50 kg object at a constant speed if the applied force exerted on the lever is 100N what is the mechanical advantage of the lever?
The mechanical advantage of a lever is calculated as the ratio of the output force to the input force. In this case, the output force is the weight being lifted (50 kg * 9.8 m/s^2 = 490 N), and the input force is 100 N. Therefore, the mechanical advantage of the lever is 490 N / 100 N = 4.9.
