What is Input Work? | Understand Formula & Calculate

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SUMMARY

Input work refers to the work done on a body or system, defined as the forces applied to that body or system. This contrasts with output work, which is the force exerted by the body or system onto another object. The formula for calculating work is given by the equation work = force x distance (W = F x d). Understanding the distinction between input work and output work is crucial for analyzing mechanical systems and energy transfer.

PREREQUISITES
  • Basic understanding of Newton's Second Law of Motion
  • Familiarity with the concepts of force, mass, and acceleration
  • Knowledge of work-energy principles
  • Understanding of impulse and momentum
NEXT STEPS
  • Study the relationship between force, mass, and acceleration in Newton's Second Law
  • Learn about the work-energy theorem and its applications
  • Explore the concept of impulse and its effect on momentum
  • Investigate practical examples of input work in mechanical systems
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Students of physics, engineers, and anyone interested in understanding mechanical work and energy transfer in systems.

icecomet
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okay so input force is the amount of force that is put in right?
so you can find that by using the formula force = mass x acceleration...
but then what is input work?

work is the result of force... but then wouldn't that be output work? i don't understand the concept of input work... what is it? how do you find it?
 
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Umm, I'm unfamiliar with your terminology but I think what you're getting at is this:

Input work would be the work done on a body or system, that is, forces that are applied to the body or system. This is in contrast to output work which is a force that is applied by the body or system to something else.
 
There are two ways you can apply force to an object:
1) Force times time dt is called an impulse and adds to the momentum of the object.

2) Force times distance dx is called work and adds energy to the object.
 

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