**Part (a)**

τ_{ab} = F_{1}L_{2}/2

A rectangular loop with *L _{1}* = 0.15 m and

Part (a) Express the torque of F_{l} ab, with respect of the axis ef, in terms of F_{l} and L_{2}.

Part (b) Express the torque of F_{l} on cd, with respect of the axis ef, in terms of F_{l} and L_{2}.

Part (c) What is the total torque on the current loop with respect of axis ef, in terms of F, and L_{2}.

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