ISU ISTINYE UNIVERSITY I STA N B UL dn 30-cm×20-cm block weighing 150 N is to be moved at a constant velocity of 0.8 nled n inclined surface. If a 0 4-mm-thick oil £GIM with a viscosity of 0.012 Pa.s is he blosoetween the block and inclined surface determine the force required for moving Question 1: the block upward. V=0.8 m/s 50cm 30 cm 200 150 N estion 2:

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Electric Circuit and Components

An electrical circuit or electrical network is a pre-determined pathway to make the electrons flow in the desired direction. The flow of electrons will set up a current flow in the circuit. Normally, the flow of electrical current is opposite to the flow of electrons. An electron is a fundamental sub-atomic particle of an atom possessing a negative charge. To initiate the flow of current and achieve the desired output, the electrical circuit should necessarily be composed of closed pathways. The pathways are made-up of good conductors of electricity such as aluminium and copper.