What is the Formula for Work?

Thread starter Eric1
Start date Feb 24, 2006
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Homework

In summary, the work formula, also known as the work-energy theorem, is a mathematical equation that calculates the amount of work done on an object by multiplying the distance the object moves by the force applied to it. The units for distance and force in the formula are typically meters and newtons, but other units can also be used as long as they are consistent. It is commonly used in various fields such as physics, engineering, and mechanics to calculate the work done by forces on objects. The formula can be used for both positive and negative forces, with positive indicating work being done on the object and negative indicating work being done by the object. However, it has limitations such as assuming a constant force and not accounting for factors such as friction and

Feb 24, 2006

Eric1

What is the formula for work?

Is it distance x force?

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Feb 24, 2006

Eric1

The problem is:

What is the work done if pushing a sled requires 50N to move it 15 meters?

Feb 24, 2006

Hootenanny

Staff Emeritus

Science Advisor

Gold Member

Work done = force x distance moved in the direction of that force.

Feb 24, 2006

Eric1

Thank you.

FAQ: What is the Formula for Work?

1. What is the work formula?

The work formula, also known as the work-energy theorem, is a mathematical equation that calculates the amount of work done on an object by multiplying the distance the object moves by the force applied to it.

2. What are the units for distance and force in the work formula?

Distance is typically measured in meters (m) and force is measured in newtons (N) in the work formula. However, other units such as feet and pounds can also be used as long as they are consistent.

3. How is the work formula used in real-world applications?

The work formula is commonly used in various fields such as physics, engineering, and mechanics to calculate the work done by forces on objects. It is also used in practical applications such as calculating the energy output of machines and the amount of force needed to move an object a certain distance.

4. Can the work formula be used for both positive and negative forces?

Yes, the work formula can be used for both positive and negative forces. A positive force indicates work is being done on the object, while a negative force indicates work is being done by the object.

5. Are there any limitations to the work formula?

The work formula assumes that the force being applied is constant and in the same direction as the distance being traveled. It also does not take into account other factors such as friction and air resistance, which may affect the amount of work done on an object in real-world situations.