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It is evident that a well lubricated bearing turns more easily than a dry one.
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It seems that these two branches of science are mutually dependent and interacting.
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It has been proved that induced voltage causes a current to flow in opposition to the force producing it.
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It was not until the 19th century that heat was considered as a form of energy.
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Computers may be classified as analog and digital.
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The switching time of the new-type transistor is shortened three times.
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This steel alloy is believed to be the best available here .
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Electromagnetic waves travel at the same speed as light.
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Microcomputers are very small in size ,as is shown in Fig.5.
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In water sound travels nearly five times as fast as in air.
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Compared with hydrogen, oxygen is nearly 16 times as heavy.
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The resistance being very high, the current in the circuit was low.
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Ice keeps the same temperature while melting.
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An object, once in motion, will keep on moving because of its inertia.
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All substances, whether gaseous, liquid or solid ,are made of atoms .
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The efforts that have been made to explain optical phenomena by means of the hypothesis of a medium having the same physical character as an elastic solid body led, in the first instance, to the understanding of a concrete example of a medium which can transmit transverse vibrations, and at a later stage to the definite conclusion that there is no luminiferous medium having the physical character assumed in the hypothesis.
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