Asked by Benedicta
A block and pulley containing 5 pulley is used to brace load of 400N through a height of 10m of work done against friction is 1000
Calculate the
Work done by effort
Efficiency
Effort appiled
Calculate the
Work done by effort
Efficiency
Effort appiled
Answers
Answered by
R_scott
5 pullies means the effort distance is 5 times the load distance
Work done by effort ... (400 N * 10 m) + 1000 J = 5000 J
Efficiency ... (4000 J / 5000 J) * 100% = ?
Effort applied ... 5000 J / (5 * 10 m) = ? N
Work done by effort ... (400 N * 10 m) + 1000 J = 5000 J
Efficiency ... (4000 J / 5000 J) * 100% = ?
Effort applied ... 5000 J / (5 * 10 m) = ? N
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