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Which would provide a greater mechanical advantage -a screwdriver with a 5cm handle and a 1cm shaft or a screwdriver with a 3cm handle and 1cm shaft?
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What is the power output of the human heart?
The mechanical power of the human heart is ~1.3 watts. It takes a much higher rate of energy turnover (~13 watts) to provide this mechanical power, since the mechanical efficiency of the heart is very low (less than 10%).
What is the advantage for scientists of using nonscientists to collect data?
Non-scientists provide additional sources of data that scientists can use.
When does the combination of lengths form a triangle?
Provide that no one length is greater than the sum of the other two lengths.
What advantage does the metric sisten provide over English units of measure?
Mainly that it is an international standard. Also, calculations are easier in the metric system, because of the multiples based on powers of 10.
What is the definition of slide rules?
A slide rule is a simple mechanical analog calculator consisting of logarithmically graduated scales, one of which can be moved across the other so as to provide a method of multiplication or division by combining lengths on the scales.
What two things provide a mechanical advantage greater than one?
lever, gear train
How many time a force multiplied by a machine is the mechanical?
Mechanical Advantage
What general statement can be made about the height of an inclined plane and it's actual and ideal mechanical advantage?
As the height of an inclined plane increases, both the actual and ideal mechanical advantage also increase. This is because the mechanical advantage of an inclined plane is directly related to its slope, so a steeper incline will provide greater mechanical advantage compared to a shallower one.
Does a fixed pulley provide mechanical advantage?
yes
What is the mechanical advantage of a fixed pulley?
A fixed pulley has a mechanical advantage of 1, which means it doesn't provide any mechanical advantage in terms of force. It changes the direction of the force applied without multiplying it.
The type of pully that does not have a mechanical advantage is?
A fixed pulley does not provide a mechanical advantage because it only changes the direction of the force applied, not the amount of force required.
When effort force is decreased what must be increased?
When the effort force is decreased, the mechanical advantage must be increased in order to maintain the same level of output force. This can be achieved by either adjusting the length of the lever or using different mechanical systems that provide a greater advantage.
How the mechanical advantage of a wheel and axel change as the size of the wheel increases?
As the size of the wheel increases, the mechanical advantage of the wheel and axle system also increases. This is because a larger wheel allows for a larger distance to be covered with each rotation, resulting in less force required to achieve the same work. Therefore, larger wheels provide a greater mechanical advantage compared to smaller wheels.
What kind of pulley has an ideal mechanical advantage of 2?
The kind of pulley has an ideal machanical advantage of 2 is called "Movable Pulley". From, Bryan Hollick
Which are types of pulley system gives us the maximum mechanical advantage?
A system with three or more pulleys would provide the maximum mechanical advantage. As the number of pulleys increases, the mechanical advantage also increases, making it easier to lift heavy loads.
What is the mechanical advantage of a fixed and free pulley?
A fixed pulley has a mechanical advantage of 1, meaning it doesn't provide any mechanical advantage, but it changes the direction of the force. A free pulley also has a mechanical advantage of 1, as it only changes the direction of the force without providing any mechanical advantage.
What is the ideal mechanical advantage and the direction of the input and output for a fixed pulley?
The ideal mechanical advantage of a fixed pulley is 1, as it does not provide any mechanical advantage in terms of force. The direction of the input (effort) and output (load) for a fixed pulley is the same, as the pulley simply changes the direction of the force applied.
