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A worker uses awhell and axle with inner radius of 20cm and outer of 50 cm to lift a 2400N object.
a) What is the mechanical advantage of the simple machine?
b) What force must the worker exert to lift the object?

  • physics - ,

    Please stop posting under various names. We are not going to do your thinking for you, but will gladly critique your work or thinking. You wouldn't want to get the reputation as an answer moocher.

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