Block A and B are homogeneous with 20 kg and 25 Kg mass respectively. The system is subjected to the force 50 N as shown in the figure. Coefficient of static friction between block A and block B is 0.3 and between block B and the surface is 0.1. Determine whether the two block are in a static condition or moving. 50 N A -0.3 B μ=0.1

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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.