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Newton's laws of motion (Sir I. Newton)
Newton's first law of motion
A body remain continues in its state of constant velocity (that may be zero) unless it is acted on by an external force.
Newton's second law of motion
For unbalanced force working on a body, the acceleration generated is proportional to the force impressed; the constant of proportionality refer to the inertial mass of the body.
Newton's third law of motion
In any system where no external forces are exist; every action force is opposed by an equal and opposite reaction force always.
Explain 'drift velocity of free electrons'? Derive Ohm's law on the basis of the theory of electron drift.
Older people wear eye glasses with bifocal corrective lenses . What is the eye defect that necessitate this eye glasses ?
These materials are used for permanent magnet manufacturing because of their low cost and their low weight. It consists of low iron oxide in combination with either barium carbonat
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plz derive a equation to magnetic force between short magnetic dipoles at distance apart?
In physics, a radian per second is a unit of: a) Angular displacement b) Angular velocity c) Angular acceleration d) Angular momentum. Ans: A radian per
An object moving with a speed better than the speed of sound is called to be move with a supersonic speed.
The rate of flow of energy or particles across a given surface.
A transparent glass cube, of side 20 cm has a small air bubble. When it is viewed normally from the nearest face it seems to be at 0.05 cm from that face and when it viewed throug
Q. Explain density? Answer:- Density is a physical characteristic also is a measure of mass per unit of volume of a material or substance. It is a dimension of the amount
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