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What is lubricants
Friction of rough surfaces Place two pieces of sandpaper together. Notice the friction that is formed when one is rubbed against the other. Now put some grease among the pieces
Energy is transferred in a one direction only. Example : Wave propagating in a stretched string.
(a) Potential energy : An electron operates some potential energy due to this found in the field of nucleus potential energy of electron in nth orbit of radius rn is given by
A wave is a disturbance which transmits power and momentum from one place to the other without the transport of matter.
What is physics?
Kirkwood gaps (Kirkwood): Gaps in the asteroid belt, caused through resonance effects from Jupiter. Identical gaps exist in Saturn's rings, because of the resonance effects of
Short Sightened OR Myopia: When a person can't able to see objects clearly but can see near objects clearly. This defect of vision is known as short sightedness.
what make flashlight suddenly become dim or bright when you shake it?
what is motion
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