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hisbul
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Homework Statement
a 25% efficient machine performs external work of 200 J. what input work is required?..please answer,,is the answer is 800 J?
Homework Equations
The Attempt at a Solution
800 J
hisbul said:a 25% efficient machine performs external work of 200 J. what input work is required?..please answer,,is the answer is 800 J?
Input work refers to the energy or force required to operate a machine or system. It is the work that is put into the machine in order to make it function.
Input work is typically measured in units of force, such as newtons, or in units of energy, such as joules. It can also be measured in units of power, such as watts, which is the rate at which work is done.
Input work is important because it is necessary for the operation of the machine. Without input work, the machine would not be able to perform its intended function.
The amount of input work required for a machine can be affected by factors such as the type and design of the machine, the load or resistance it is working against, and any external forces acting on the machine.
Input work can be reduced by optimizing the design and efficiency of the machine, reducing friction and resistance within the machine, and using external energy sources to assist in the work. Regular maintenance and proper use of the machine can also help to reduce the amount of input work required.