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# What Are Different Laws In Physics?

August 31, 2022
written by Adeel Abbas

## Laws In Physics

Physics is the science of different laws. There are some different laws in Physics.

### 1. Newton’s Laws of Motion

Â Newton’s laws are the foundation of physics. These three laws explain how objects move and interact with each other. If you understand these laws, then you will have a good understanding of everything else in science.

### Â 2. Conservation of Mass

Â Mass is the amount of matter inside an object. When a mass is conserved, it means that the total amount of matter does not change over time.

### Â 3. Law of Gravity

Â The law of gravity states that two massive bodies attract each other. In order to keep things stable, they need to pull on each other.

### Â 4. Law of Momentum

Â Momentum is the measure of how much force an object exerts on its surroundings. An example of momentum would be if I were to throw a ball at my friend. He may catch the ball, but he will still be thrown back. Momentum is measured in Newtons (N).

### Â 5. Law of Inertia

Â Inertia is the property of an object where it continues moving unless acted upon by an outside force. An example of inertia would be a car rolling down a hill. Once the car starts going down the hill, it will continue to roll until something stops it.

### Â 6. Law of Attraction

Â This law says that whatever goes around comes around. Whatever action happens, opposite reaction happens. So if I push someone, they will push me back.

### Â 7. Law of Universal Gravitation

Â Universal gravitation is the idea that all planets attract each other. This means that the Earth pulls on the moon, which pulls on the sun, which pulls on the Earth.

### 8. Law of Reciprocity

When doing work, sometimes the amount of work done by a force equals the amount of work performed by the same force acting in the opposite direction. For example, if I push my car forward, the force exerted on the car is equal to the force I exert pushing on the car.

### 9. Law of Universal Gravitation

Every particle attracts every other particle with a force directly proportional to their masses. The closer two particles are together, the stronger this attraction becomes.

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