# HandsOnPhysics

• ### Physics Magic: A Wheel and a Double Cone Climb Up a Slope by Themselves - Duration: 6 minutes, 53 seconds.

• 5 years ago
• 13,646 views
The objective of this video is to demonstrate that the center of gravity of objects always tends to the lowest point possible in order to reach rest.

In the first demonstration, surprisingly, a do...
• ### Hooke's Law and Springs - Duration: 4 minutes, 42 seconds.

• 5 years ago
• 7,431 views
Hooke's Law states that the extension of a spring is in direct proportion with the load or force applied to it.

In other words: equal weight increments stretch the spring equally (linear relation...
• ### Measurement of Forces in Physics - Comparison to an Arbitrary Agreed-Upon Unit - Duration: 18 minutes.

• 5 years ago
• 6,909 views
Measurement of Forces in Physics By Comparison to an Arbitrary Agreed-Upon Unit

1st experiment:
The effect of the weight hanged on a coil spring on the extension of the spring

2nd experiment:
The...
• ### A Plastic Comb Rubbed With a Cotton Cloth Attracts Small Pieces of Paper - Duration: 82 seconds.

• 5 years ago
• 15,057 views
When we rub a plastic comb or an ebony rod with a piece of wool, silk or a cloth of cotton they attract pieces of paper.

The rubbed comb exerts a force on the pieces of paper and sets them into mo...
• ### The Deflection of a Magnetic Compass Needle by a Current in a Wire - Duration: 73 seconds.

• 5 years ago
• 38,061 views
We have here a simple series electrical circuit consisting of a battery, a switch and a wire and a simple compass placed near the wire. When we close the switch a current flows through the wire and...
• ### Introduction to Forces in Physics - Duration: 9 minutes, 19 seconds.

• 5 years ago
• 10,042 views
Introduction to Forces in Physics

The objective of this video is to define the term "force" in physics in general and in mechanics in particular -- namely, to demonstrate, by a few simple experime...
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