It is evident that a well lubricated bearing turns more easily than a dry one.
It seems that these two branches of science are mutually dependent and interacting.
It has been proved that induced voltage causes a current to flow in opposition to the force producing it.
It was not until the 19th century that heat was considered as a form of energy.
Computers may be classified as analog and digital.
The switching time of the new-type transistor is shortened three times.
This steel alloy is believed to be the best available here .
Electromagnetic waves travel at the same speed as light.
Microcomputers are very small in size ,as is shown in Fig.5.
In water sound travels nearly five times as fast as in air.
Compared with hydrogen, oxygen is nearly 16 times as heavy.
The resistance being very high, the current in the circuit was low.
Ice keeps the same temperature while melting.
An object, once in motion, will keep on moving because of its inertia.
All substances, whether gaseous, liquid or solid ,are made of atoms .