name four devices which work on principle of moment
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Electric generators.
Electric bell.
Transformer.
Microphone.
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The four devices that work on the principle of the moment are:
- See-saw
- Beam balance
- Transformer
- Microphone
The principle of the moment states that if the body is balanced the total clockwise moment about a point is equal to the total anticlockwise moment on the same point.
Mathematically,
Moment= Force(F) × Perpendicular distance from the pivot(d)
Moment= F×d
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