Question

write about energy and types of energy​

Answer 1

☞ Answer

In physics, energy is the quantitative property that must be transferred to a body or physical system to perform work on the body, or to heat it. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed.

☆Important☆

⭐SI unit:

• joule

⭐Dimension:

• M L2 T−2

⭐Other units:

• kW⋅h, BTU, calorie, eV, erg, foot-pound

☞ Types

• radiant energy
• chemical energy
• nuclear energy
• electrical energy
• motion energy
• sound energy
• elastic energy
• gravitational energy

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Answer 2

Answer:

The universe is composed of matter in different forms, and all forms of matter contain energy. The different forms of energy on Earth originate from the Sun — the ultimate energy source. Plants capture light energy from the Sun, and, via the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal (fossilized plants) generates heat and electricity. Therefore, since all changes of matter involve changes in energy, it is vital to understand how energy flows from one form to the other.

Energy is defined as the ability to do work. Work is done when a force applied to an object causes the object to move against an opposing force. For example, work is done when a table is pushed across a room against the resistance from the floor.

Types of energy:

There are many different types of energy, which all fall into two primary forms

• Kinetic
• potential

Here are some examples of types of energy

1. Nuclear energy
2. Chemical energy
3. Electrical energy
4. Gravitational energy and
5. Sound energy

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