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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.
The control lever is subject to a clockwise moment of P26 N.m exerted by its shaft at A and is designed to operate with a force of P27 N. The resultant of the couple and the force
It is the difference among potential at two points of a conductor. Please note that by potential(at a point A) ,we actually mean potential difference among point A and another
Potential barrier One either side of the junction, the region ‘D' becomes free from mobile charge carriers. That is on n-type side of D, no free electrons exist and on p-type s
numerical example
Q. Define Tangent law? A magnetic needle suspended at a point wherever there are two crossed fields at right angles to each other will come to rest in the direction of the res
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Event horizon: The radius which a spherical mass has to be compressed to transform it in a black hole, or the radius at which space and time switch responsibilities. Once insi
It is a measure of how easily a dielectric material polarizes in response to an electric field.
explain surface tension using molecular theory
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