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Places where friction occurs
Locate the places on several mechanical devices where parts rub together. Roller skates, pulleys and the wheels of toys often required oil. Try to find two similar bearings that required oil, such as those on a roller skate. Oil one and compare the ease with which it turns with the bearing that has not been oiled.
determination of suger concentration in water by refractive index
The Bubble''s shape is spherical so as to reduce the surface tension. With the given volume of liquid,Spherical surface only fits i minimizing the surface tension to a greater exte
What is Gravity Gravity is a force which holds you in your seat. If I pull the chair out from under you, what will take place? Ouch! Gravity fast pulls you down to the floor. I
Explain the first law of thermodynamics. Reduce its mathematical form, give the first law equation for different processes. What are its limitations?
What is the difference between an artificial satellite and a natural satellite? Ans) 1:artificial satellites are man made while natural satellite are formed by nature. 2:artificia
Particle function: Protons The number of protons in an atom determines the kind of material: Eg. Hydrogen 1 proton Helium 2 protons Lithium 3 protons B
A ray of light itinerant in air passes through a flat plate of glass. Refraction takes place. Where the refraction does occurs? Ans: Refraction takes places when light tra
Ask questionwhat r the axis&planes in human body.? In nature or in daily life is it applied or happening? #Minimum 100 words accepted#
For SHM to occur, three conditions must be satisfied. 1.There must be a position of stable equilibrium. At the equation in equilibrium potential energy is minimized. That is,
Q. What is dielectric polarization? The arrangement of the dipole moments of the permanent or induced dipoles in the direction of applied electric field is called polarisation
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