PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoOur earth spin around its axis every day. This movement causes days and nights.
The phenomenon of moving about a centre is called rotation.
Rotation:
An object is said to be rotating when it moves about its axis, making a 360°movement. That is, when an object moves from a position, it takes a complete 360° shift and comes back to the same position.
While rotating the objects take angular shifts.
Example:
Let us look at the following example.
In the example given below, we aim to make the object get back to the origin of its rotation.
In the above example, the blue line makes a 90° shift during each rotation.
The process of rotation begins at the origin. At the end of 4 successful 90° shifts, the blue line gets back to the source of its rotation.
The four 90° shifts complete a whole 360° rotation.
90° + 90° + 90° + 90° = 360°
In other words, an object would take a complete 360° rotation to get back to its source of rotation.
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