Home Back

Work Done Calculator Physics Equation

Work Equation:

\[ W = \int F \, dx \]

N
m

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Work Done Equation?

The work done by a force is defined as the integral of the force with respect to displacement along the path of the force's application. For constant forces, this simplifies to the product of force and displacement.

2. How Does the Calculator Work?

The calculator uses the work equation:

\[ W = F \times d \]

Where:

Explanation: This simplified version assumes constant force applied in the direction of displacement. For variable forces, integration would be required.

3. Importance of Work Calculation

Details: Calculating work is fundamental in physics and engineering for understanding energy transfer, mechanical systems, and thermodynamic processes.

4. Using the Calculator

Tips: Enter force in Newtons and displacement in meters. Both values must be positive numbers. The calculator assumes force is constant and applied in the direction of displacement.

5. Frequently Asked Questions (FAQ)

Q1: What are the units of work?
A: The SI unit of work is the Joule (J), which equals one Newton-meter (N·m).

Q2: How is this different from energy?
A: Work is the transfer of energy, so both share the same units. Work specifically refers to energy transferred by forces.

Q3: What if the force isn't constant?
A: For variable forces, you would need to integrate the force function over the displacement path.

Q4: What about forces at angles?
A: Only the component of force in the direction of displacement does work. The full equation would include cos(θ).

Q5: Can work be negative?
A: Yes, when the force component opposes the displacement, the work is negative (energy is removed from the system).

Work Done Calculator Physics Equation© - All Rights Reserved 2025