A conducting rod whose length is ℓ = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00 Ω as shown in the figure.The rails and the rod are in the plane of the page.A constant uniform magnetic field of strength 2.20 T is applied perpendicular to and out of the paper.What is the magnitude of the external applied force needed to move the rod to the right with a constant speed of 6.00 m/s? 
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Transactions involved in acquiring food products for consumption, influenced by prices, income, preferences, and availability.
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