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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.
Occam's [or Ockham's] razor (William of Occam [or Ockham]; c. 1340): The recommendation that the simpler a theory is, the better. If two of the theories predict phenomena to t
a closed organ pipe resonates with frequency 6hz and an open organ pipe resonates with frequency 12Hz. if the two organ pipes are joined to form a single organ pipe then it will re
Light coupling: Another way to look at light guiding in a fibre is to measure the fibre's acceptance angle. This angle is the angle within which the light should enter the fib
(i) A closed system consisting of 2 kg of a gas undergoes a process during which the relationship between pressure and specific volume is pv1.3 = c. The process begins with 1 p =1b
for assignment.
Why should the material used for making permanent magnets have high coercivity? What will be the values of input A and B for the Boolean expression? Why is frequency modulati
At a distance of 4,000 ft from the launch site, a spectator is observing a rocket being launched. If the rocket lifts off vertically and is rising at a speed of 600 ft/sec when it
Within the elastic region (see the graph below), there exist a between the force applied and the change in the physical state of object. Experiments have shown that the elastic beh
It is the area or region around the material where magnetic properties can be found is called as “magnetic field”.
how proton electron hypothesis is rejectrd on the basis of nuclear magnetic dipole moment?
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