science

a hydrauli press has a ram of 30 cm diameter and plunger of 4.5cm diameter. find the the weight lifted by the hydraulic press when the force applied at the plunger is 500N

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  1. the force is proportional to the square of the diameter

    w = (30 / 4.5)^2 * 500 N

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  2. i want answer

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  3. F/a=w/A
    W=FA/a
    W=500*(30^2)/(4.5^2)
    W=22222.22N
    W=22.22KN

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  4. the answer of the questions

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  5. 7. A hydraulic press has a ram of 35 cm diameter and a plunger of 5 cm diameter. It is used for lifting a weight of 30KN. Find the force required at the plunger in kN.

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