Washing Machine is based on mechanical energy.

Explanation:
A washing machine is a household appliance that is designed to clean clothes. It consists of various components and mechanisms that work together to provide the necessary functions for washing clothes.

Mechanical Energy:
Mechanical energy is the energy possessed by an object due to its motion or position. It can be divided into two types: kinetic energy and potential energy. Kinetic energy is the energy possessed by an object due to its motion, while potential energy is the energy possessed by an object due to its position or state.

Working of a Washing Machine:
A washing machine works by using mechanical energy to agitate and clean the clothes. Let's understand the working of a washing machine in detail:

1. Water Inlet:
The washing machine is connected to a water source through a water inlet pipe. The water inlet valve allows water to enter the machine.

2. Detergent and Fabric Softener Dispensers:
The washing machine has compartments for adding detergent and fabric softener. These compartments dispense the required amount of detergent and fabric softener at the appropriate time during the washing cycle.

3. Drum:
The drum, also known as the washing tub, is the main component of the washing machine. It is where the clothes are placed for washing. The drum rotates during the washing cycle to agitate the clothes and remove dirt and stains.

4. Motor:
The motor of the washing machine is responsible for providing the mechanical energy required for the rotation of the drum. It converts electrical energy into mechanical energy to drive the drum.

5. Timer and Controls:
The washing machine has a timer and controls that allow the user to select different washing cycles and adjust settings such as temperature and spin speed. The timer controls the duration of the washing cycle.

6. Drain Pump:
After the washing cycle is complete, the water needs to be drained from the machine. The drain pump helps remove the dirty water from the drum and expels it through a drain pipe.

7. Spin Cycle:
The spin cycle is an important part of a washing machine. It involves high-speed rotation of the drum to remove excess water from the clothes. This is achieved by using centrifugal force, which is a result of the mechanical energy provided by the motor.

In conclusion, a washing machine is based on mechanical energy as it uses mechanical components such as the motor and drum to agitate and clean the clothes. The motor converts electrical energy into mechanical energy to provide the necessary motion for washing.