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Physics & Astronomy Facts

Galileo at age 38.
Galileo Thermometers

Every substance has the property of 'mass', which is the basic physical presence of matter. Matter occupies space. A physical mass contained within a physical space produces the physical property of ' ...

Torque

A force may be thought of as a push or pull in a specific direction. When a force is applied to an object, the object accelerates in the direction of the force according to Newton's laws of motion. Th ...
Golf Ball
Why Does A Golf Ball Have Dimples?

A golf ball can be driven great distances down the fairway. How is this possible? The answer to this question can be found by looking at the aerodynamic drag on a sphere without dimples (while it's fl ...

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