250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3 m, the efficiency of pulley system will be (a) 25% (c) 75% (b) 33.3% (d) 90%.
250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3 m, the efficiency of pulley system will be (a) 25% (c) 75% (b) 33.3% (d) 90%.
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![Question:
250 N force is required to raise 75 kg mass from a
pulley. If rope is pulled 12 m then the load is lifted to
3 m, the efficiency of pulley system will be
(a) 25%
(c) 75%
(b) 33.3%
(d) 90%.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F63cf1ea7-a2fa-45d7-aab9-9493ab6a34a9%2F47dd6201-263b-4418-8ddd-31b481035c8a%2F2a1vvcd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question:
250 N force is required to raise 75 kg mass from a
pulley. If rope is pulled 12 m then the load is lifted to
3 m, the efficiency of pulley system will be
(a) 25%
(c) 75%
(b) 33.3%
(d) 90%.
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