# Introduction to physics blog

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### Law of Reflection

Great lesson about the law of reflection. Crystal clear explanation

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### Reflection and Refraction

Learn the difference between reflection and refraction

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### What is Centripetal Acceleration? Please explain how to find the formula.

Need help with centripetal acceleration? Check this lesson and you will understand perfectly the concept fast

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### What is Centripetal Force?

Still confused about the meaning of the centripetal force? Check this lesson!

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### Newton's Second Law Quiz

Newton's second law quiz

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### Law of Flotation and Buoyancy

Law of flotation is explained clearly so you know how to make something float

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### Why do Things Float in Water?

Why do things float? Now you know why you can go on a cruise with no worries!

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### What is Archimedes' Principle?

Learn what Archimedes' principle is and how it is related to buoyant force

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### What is Mass Quiz

Mass quiz- see how well you understand mass in physics with this quiz

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### Projectile Launched at an Angle Quiz

Projectile launched at an angle quiz. How many questions can you answer correctly?

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### Projectile Launched Horizontally Quiz

Projectile launched horizontally quiz. Tease your brain and show that you can get 100%

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### Second Law of Thermodynamics

Learn about second law of thermodynamics and its application to heat engines

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### What Does Entropy Mean?

What does entropy mean? How is it related to order and disorder in the universe?

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### Absolute Zero and the Third Law of Thermodynamics

Find out what absolute zero is and how it is related to the third law of thermodynamics

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### What is Thermodynamics?

What is thermodynamics? Get the answers here and all the facts with crystal clear explanation

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### 1st Law of Thermodynamics

What is the 1st law of thermodynamics? Deep discussion and explanation of the first law

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### What does friction mean?

what does friction mean in physics? Find out here with a crystal clear explanation

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### Projectile Motion Quiz

Projectile motion quiz. Interesting and tricky questions about projectile motion!!!

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### Free Fall Quiz

free fall quiz.

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### Acceleration Quiz

Acceleration quiz. So you think you understand the difference between speed and acceleration? Think again!

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### Distance and Displacement Quiz

Distance and displacement quiz. So you want to know the difference between distance and displacement?

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### Vector Addition Quiz

Vector addition quiz. See if you know how vector addition works

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### Units of Speed Quiz

Units of speed quiz. See how well you convert from one unit to another.

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### Scalar and Vector Quiz

Scalar and vector quiz. Learn the difference between vector and scalar

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### Difference between Distance and Displacement

Learn quickly the difference between distance and displacement

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### What is a Vector?

What is a vector? Definition, mathematical representation, and graphical representation of vectors

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### Projectile Word Problems

Projectile word problems with crystal clear solutions

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### Ohm's Law Word Problems

A variety of Ohm's law word problems to help you see how to use the Ohm's law

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### Projectile Launched at an Angle

Path and speed of a Projectile Launched at an Angle. Find out why the path is a parabola

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### Projectile Launched Horizontally

Path of a projectile launched horizontally. See why the path is a parabola.

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## Recent lesson

1. ### Law of Reflection

Mar 16, 17 03:15 PM

Great lesson about the law of reflection. Crystal clear explanation

Read More

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