Work Force x Displacement: What Counts?

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In summary, when calculating work, you should only consider the displacement through which the force is acting, not the total displacement caused by the force. This means that for activities like throwing a ball, you only need to use the displacement while the force is being applied.
  • #1
hasankamal007
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Work=force x displacement.

This displacement is the whole displacement that the force causes or just the displacement through which the force acts?

For eg. If we throw a ball, for calculating work should we consider whole displ or the displ through which I'm applying force.

Thanks a lot. Any kind of suggestion is welcome.
 
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  • #2
hasankamal007 said:
Work=force x displacement.

This displacement is the whole displacement that the force causes or just the displacement through which the force acts?
Just the displacement through which the force acts. When the force stops acting, it goes to zero.
For eg. If we throw a ball, for calculating work should we consider whole displ or the displ through which I'm applying force.
If you are calculating the work done by your hand, then you'd use the displacement while that force is acting.
 
  • #3
If it was the displacement that a force causes, then a spacecraft would be constantly increasing in energy, potentially forever.
 

FAQ: Work Force x Displacement: What Counts?

What is Work Force x Displacement?

Work Force x Displacement is a mathematical equation used to calculate the amount of work done when a force is applied to an object and causes it to move a certain distance.

Why is Work Force x Displacement important?

Work Force x Displacement is important because it helps us understand the relationship between force and displacement, and how much work is required to move an object. This knowledge is crucial in fields such as physics and engineering.

How is Work Force x Displacement calculated?

The equation for Work Force x Displacement is W = F x d, where W is work, F is force, and d is displacement. The unit of measurement for work is joules (J), force is measured in newtons (N), and displacement is measured in meters (m).

Can Work Force x Displacement be negative?

Yes, Work Force x Displacement can be negative. This occurs when the force and displacement are in opposite directions, resulting in negative work. Negative work indicates that energy is being taken away from the system rather than added to it.

How is Work Force x Displacement applied in real life?

Work Force x Displacement is applied in many real-life situations, such as lifting objects, pushing or pulling objects, and using simple machines like levers and pulleys. It is also used in industries like construction and manufacturing to determine the amount of work required to move materials and complete tasks.

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