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Simple gears
With a hammer and a medium-sized nail, make holes in the exact centres of various used bottle caps. Straighten the edges of the caps to make them as round as possible.
Lay two of the caps on a block of wood so that the tooth such as projections meshes together. Fasten them down with carpet tacks, but make sure that they still turn simply. Turn one of the caps and note the direction that the other turns. Add a third cap and note the direction that every turns.
Explain history of nuclear reaction? Bigger nucleus bust to from two lighter nucleus and two or three neutrons is known as nuclear fission used for making atom bomb two lighter
A wheel is mounted on a stationary axle starts at rest and is given the following angular acceleration a =(9-12t) (SI units)where t is the time after the wheel begins to rotate.Fin
Q. What is cut-off or stopping potential? The minimum negative (retarding) potential specified to the anode for which the photo electric current becomes zero is called the cut
A force of 25 N is applied vertically at the end of a wrench handle that is 45 cm long to tighten a bolt in the clockwise direction. What torque is required by the bolt to keep the
Ask questionwhat r the axis&planes in human body.? In nature or in daily life is it applied or happening? #Minimum 100 words accepted#
You have two pendulums and you release them at the same time. Pendulum A has mass 2 m attached to it and you release it from 5 . Pendulum B has mass 3 m attached to it and you rele
Illustrate the c-scan presentation of test specimen? C-mode: The C-scan presentation gives a plan-type (2D) view of the location and size of test specimen characteristics. T
The acceleration of a falling ball The change in speed per second of a moving body is called the acceleration. When it is constant as in the case of a ball falling under the ac
give some example problem in this chapter
Charging a capacitor: In the diagram below, all of the resistance in the circuit is added together and shown as a single value R. With S 1 closed and S 2 open, the ca
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