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What effort should be applied

  1. A pulley system shows is use to raise a load of 600N through 8m. If the effiency I 90%. Calculatea, machincal advantage b.
    1. answers icon 1 answer
    2. KRIS asked by KRIS
    3. views icon 608 views
  2. A pulley system shows is use to raise a load of 600N through 8m. If they efficency is 90%.calculatea. Mechnical advantage b.
    1. answers icon 1 answer
    2. Prophecy asked by Prophecy
    3. views icon 712 views
  3. A screw Jack has 90 threads to the meter. The effort is applied at the end of an arm 20cm long. What force must be applied to
    1. answers icon 1 answer
    2. Charity asked by Charity
    3. views icon 730 views
  4. A SCREW JACK HAS 90 THREADS TO THE METRE. THE EFFORT IS APPLIED AT THE END OF AN ARM 20CM LONG . WHAT FORCE MUST BE APPLIED TO
    1. answers icon 0 answers
    2. SHINNY asked by SHINNY
    3. views icon 149 views
  5. A screw jack has 90 threads tothe metre. the effort is applied at the end of an arm 20cm long whatforce must be applied to lift
    1. answers icon 5 answers
    2. JOHN asked by JOHN
    3. views icon 1,624 views
  6. Calculate the work done by the effort and the effort applied when a system of 6 pulley is used to raise a load of 600n through a
    1. answers icon 2 answers
    2. Liyat asked by Liyat
    3. views icon 273 views
  7. Calculate the work done by the effort and the effort applied when a system of 6polley is used to raise a load of 600N through a
    1. answers icon 2 answers
    2. Miracle asked by Miracle
    3. views icon 1,533 views
  8. A man pulled a nail our of a board with a crowbar. The nail was 2 in. from the fulcrum of the crowbar, and the effort applied
    1. answers icon 1 answer
    2. Kayla asked by Kayla
    3. views icon 1,264 views
  9. A block and tackle have 4 pulleys which is used to raise a load of 450N through a height of 12m. If the workdone against
    1. answers icon 1 answer
    2. Daniel Asiamah asked by Daniel Asiamah
    3. views icon 335 views
  10. A block and tackle system of 5 pulley is used to raise a load of 500N steady through a height of 20m the work done against
    1. answers icon 13 answers
    2. Mamoeletsi asked by Mamoeletsi
    3. views icon 6,459 views