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4 6. (5 points) A hydraulic lift is used to raise a truck of weight 15,000 N. If the input piston has a diameter of cm and the output piston has a diameter of 8.0 cm calculate the force needed at the input piston to raise the truck. (1) 33 N (2) 66 N (3) 13.2 N (4) 330 N (5) 132 N

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