A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.2 N and a vertical force P are then applled to the block. The coefficlents of friction for the block and surface are u. - 0,45 and uy - 0.24. (a) Determine the magnitude of the frictional force acting on the block If the magnitude of P is 8.0 N. N (b) Determine the magnitude of the frictional force acting on the block if the magnitude of P is 10.0 N. (c) Determine the magnitude of the frictional force acting on the block If the magnitude of Pis 12.0 N.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.