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Q. Illustrate why is there more friction when you push an object than when you pull it?
Answer:-
Friction doesn't differ depending upon whether an object is pushed or pulled. The frictional force static or else dynamic is proportional to the normal force the force that counteracts and exactly matches the weight of an object that is at rest or moving at constant velocity. The frictional force will be against the direction of the force applied to an object to move it. It matters not whether the entity is pulled using a tensile force or pushed using a compressive force.
A rigid object is a body with a exact and unchanged size and shape i.e. a body is said to be rigid if the distance among any two particles of the body remains invariant.
Wiedemann-Franz law: The ratio of thermal conductivity of a particular pure metal to its electrical conductivity is approximately constant for any given temperature. This law
(1) Holes works as virtual charge, although there is no charge on holes. (2) Effectual volume of hole is more than electron. (3) Mobility of hole is fewer than electron.
I don''t understand how pressure energy arises
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For the circuit shown in Figure, find, using the superposition theorem, (a) The current flowing in and the p.d. across the resistor, (b) The current in the 8V battery and
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Why is it easy to fuse hydrogen isotopes deuterium and tritium than ordinary hydrogen?
working and construction of interferometer
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