The unit of work is the Joule (J). Work is defined as the force applied to an object over a distance. Therefore, the unit of work is a derived unit because it is calculated from the fundamental units of force (Newton) and distance (meter).
1. Unit of Work:
- The Joule is the unit of work.
- Example: If a force of 10 Newtons is applied to move an object a distance of 5 meters, the work done would be 50 Joules (10 N * 5 m = 50 J).
2. Fundamental vs. Derived Unit:
- Work is derived from force and distance, making the Joule a derived unit.
- Fundamental units are independent and cannot be expressed in terms of other units. Derived units, like the Joule, are created by combining fundamental units.
3. Unit of Force:
- The unit of force is the Newton (N).
- Example: If a force of 1 Newton is applied to an object with a mass of 1 kilogram, it will accelerate at a rate of 1 meter per second squared.
By understanding the relationships between units like the Joule and the Newton, we can better comprehend the concepts of work and force in physics.
