Recent content by james9.81

  1. J

    I with my mechanical principles home work.

    Thanks for the hint, helped a lot :approve:
  2. J

    I with my mechanical principles home work.

    forging is the shaping of metal, for example a blacksmith forges steel swords.The forging doesn't stop the hammer doesn't stop the hammer in anyway.
  3. J

    I with my mechanical principles home work.

    Therefore should i workout the velocity of the metal immediately after impact using the principle of conservation of momentum. momentum of system before impact = momentum of system after impact m1 V1 = (m1 + m2)v2 so v2 =m1 v1 / (m1 + m2) =
  4. J

    I with my mechanical principles home work.

    A drop hammer of mass 200kg falls freely through a distance of 2m to strike a forging and is brought to rest after a distance of 50 mm. The hammer does not rebound after impact. The mass of the forging is 500 kg. Determine the average resistance of the metal. please can anyone solve this...
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