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Each physical system has related with it a certain point whose motion characterizes the motion of the whole system. When the system goes under some external forces than this point goes as if the entire mass of the system is concentrated at this point and also the external force is operated at his point of translational motion. This point is called as the centre of mass of the system.
The control lever is subject to a clockwise moment of P26 N.m exerted by its shaft at A and is designed to operate with a force of P27 N. The resultant of the couple and the force
Natural and forced vibrations When we strike a tuning fork with a rubber hammer it vibrates with certain frequency. The frequency does not change even if we hit it harder.
A machine gun fires a bullet of mass 40 g with a velocity 1200 m/s The man holding it, can exert . a maximum force of 144 N on the gun. How many bullets can he fire per second at
define non flow process
Clear definitions of, and rationale for defining variables as explanatory confounding (if required) effect modifying variables (if required) and rationale if the form
define opto isolators?
Has Vc a limit? Answer; precisely, but we do not know its limit. But we know it is greater than c.
The beam below is supported at A and B. F1 and F2 in kN are given in P21 and P22 respectively. F3 in kN is given in P23 and the couple in kN.m is given in P24. Assume that F1, F
Explain power of a lens. What is the principle of an optical fibre? What is a thin prism? Describe angular dispersion between two colours for a prism.
An electron is unrestricted from rest at a point in an evacuated region of space at which the electric potential is 5.0 volts. No force except the force of the electric field chara
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