The main gate of a building is 2.6 m broad. It can be opened by applying a force of 80 N at the middle of the gate. (a) Calculate the least force which can open the gate. (b) Where should the force be applied?
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the least force which is needed to open the gate is 208 newton .
the force should be applied at the corner of the gate
the force should be applied at the corner of the gate
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