Asked by Logan
How much can be lifted using 2kg of effort using a jack screw with a 45cm handle and a 1/3 cm screw pitch?
Please show me the formula and how you broke down the equation
Please show me the formula and how you broke down the equation
Answers
Answered by
bobpursley
One turn=2PI*45cm
one turn move is up 1/3 cm
MA=2PI*45/(1/3)=6PI*45=90PI
lift=MA*effort=90*PI*effort.
Now your effort is not in force units. Kilograms is a unit of mass.
https://www.engineeringtoolbox.com/screw-jack-d_1308.html
one turn move is up 1/3 cm
MA=2PI*45/(1/3)=6PI*45=90PI
lift=MA*effort=90*PI*effort.
Now your effort is not in force units. Kilograms is a unit of mass.
https://www.engineeringtoolbox.com/screw-jack-d_1308.html
Answered by
scott
kg is a mass measurement
... the weight (force) of 2 kg (on earth) is about 20 Newtons
the end of the 45 cm handle travels ... 2 * π * 47 cm ... for every 1/3 cm of lift
so the ideal (frictionless) max lift is ... (2 kg * 2 * π * 47 cm) / (1/3 cm)
... the weight (force) of 2 kg (on earth) is about 20 Newtons
the end of the 45 cm handle travels ... 2 * π * 47 cm ... for every 1/3 cm of lift
so the ideal (frictionless) max lift is ... (2 kg * 2 * π * 47 cm) / (1/3 cm)
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