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A simple wheel and axle
Remove the cover from a pencil sharpener and bind a string tightly around the end of the shaft. Bind a weight of various kilograms to the end of the string and turn the handle. Note that the force required to turn the handle is much less than the force of gravity on the weight. Point out that the pencil sharpener is used as a wheel and axle in this demonstration.
Q. If an object isn't moving, no external force acts on it. No it is always not true, there would be balanced forces which cancel each other out leaving no net force. Example:
explain the refractive index of the transparent liquid using prism spectrometer?
some details about wave
It is the degree to which a object is magnetized when placed in a magnetic field. It can also be described as the pole strength per unit cross sectional area of the object or th
What are the demerits of Huygens' eyepiece? The angles of deviations for violet and red colors of a crown prism are 5.23 o and 5.15 o respectively. Determine the dispersive po
if a big person and a small person run up the stairs in the same time, which of them develops the most power
Who manufactures optical ports? All system integrator generate a particular type of optical port to attach to their choice of illuminator.
(UNIFORM VELOCITY) (i) When instantaneous velocity and average velocity of a body are equivalent, then the body moves with uniform velocity. (ii When instantaneous velocity
how to perform experiment of deflection magnetometer,its concepts
why the reflective index of cladding is lower then in core of a fiber optic?
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