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What is the definition of output and input work?
Work Input- The work done on a machine as the input force acts through the input distance. Work Output - The work done by a machine as the output force acts through the output distance (What the machine does to the object (dependent on the force) to increase the output distance).
A machine with a machanical advantage of 2.5 requires an input force of 120 newtons what output force is produced by this machine?
If the machine were ideal ( 100% effiency) the output force would be 300 N In practice you might get 250 - 270.
How does input force output orce and load force work together in a lever?
because if there wasn't an input force, or any one of those, the machine would not work properly
How do machines multiply force without multiplying work?
Work is the (force)*(distance)*(cosine of angle between force and distance). Therefore if you increase the force but the work remains the same either the distance has been reduced or the angle has changed.
What is the trade off between mechanical advantage and the distance within pulley systems?
The trade-off between mechanical advantage and distance in pulley systems is based on the principle of work. Increasing the mechanical advantage by adding more pulleys decreases the amount of force required to lift an object but also increases the distance the rope needs to be pulled. This is because the work input (force x distance) remains constant, so as force decreases, distance must increase to maintain the same amount of work.
What is the output force exerted by a move-able pulley if the input force is 50 N?
The output force exerted by a moveable pulley when the input force is 50 N would be 50 N. Since a moveable pulley changes the direction of force but not its magnitude, the output force will be equal to the input force.
Which of the following would increase the output force of a lever?
Increasing the length of the lever arm or applying a larger input force would increase the output force of a lever.
What type of mechanism would be used to increase torque or force?
Gearing mechanisms, such as gear trains or pulley systems, can be used to increase torque or force. By changing the size of the gears or pulleys, leverage can be amplified to generate greater torque or force output.
Why is a pulley a force multiplier?
A pulley is a force multiplier because it allows a person to lift a heavy object with less force than would be needed without the pulley. By redirecting the force needed to lift the object, a pulley system can increase the efficiency of the process and reduce the amount of force required.
What type of advantage describes the ability of s machine to increase output force?
Mechanical advantage is the term used to describe the ability of a machine to increase the output force. It represents the ratio of the output force to the input force in a machine. By utilizing mechanical advantage, machines can make it easier to perform tasks that would otherwise require more force.
What force could increase the resistance of all the PULLEYS?
Increasing the friction on the pulley axles or increasing the tension in the rope running through the pulleys would increase the resistance of the pulleys. Alternatively, adding more weight to the load being lifted by the pulleys would also increase the resistance.
What would be done to increase the compressor speed on a belt-driven compressor?
increase drive pulley size
How much input force is required to lift an 11000 N beam using a pulley system with a mechanical advantage of 20?
11,000/20=550newtons
How do machines increase output force?
Machines can increase output force through mechanical advantage, which involves using levers, pulleys, gears, or hydraulic systems to multiply the input force applied to the machine. By redistributing and amplifying the force, machines enable users to perform tasks that would be difficult or impossible to do on their own.
How much effort force would you use to lift 300kg with a fixed pulley?
With a fixed pulley, the effort force would be equal to the weight being lifted (300kg) in this case. So, to lift 300kg using a fixed pulley, you would need to apply an effort force of 300 kg-force.
Would an increase in contractility cause an increase to cardiac output?
Yes - an increase in contractility would lead to an increase in stroke volume. An increased stroke volume would cause an increased cardiac output.
A person does 50j of work to lift a crate using a pulley. the pulley's work output is 42j. What is the pully's mechanical efficiency?
The mechanical efficiency of the pulley is calculated as: (Work output / Work input) * 100%. In this case, it would be (42J / 50J) * 100% = 84%. The pulley is 84% efficient at converting input work into output work.
