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25N force is required to raise 7.5 kg mass from a pulley.if rope is pulled 12 m, then the load is lifted to 3 , the efficiency of pulley system will be-
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25N force is required to raise 7.5 kg mass from a pulley.if rope is pu...
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25N force is required to raise 7.5 kg mass from a pulley.if rope is pu...
Work done by pulling force=F×s=25×12=300
work done by gravitational force experienced by mass=mgs=7.5×10×3=22.5
efficiency=work done by gravitational force on mass/work done by pulling force on mass =22.5×100%/300=0.75×100%=75%
so efficiency is 75%
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25N force is required to raise 7.5 kg mass from a pulley.if rope is pulled 12 m, then the load is lifted to 3 , the efficiency of pulley system will be-
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25N force is required to raise 7.5 kg mass from a pulley.if rope is pulled 12 m, then the load is lifted to 3 , the efficiency of pulley system will be- for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 25N force is required to raise 7.5 kg mass from a pulley.if rope is pulled 12 m, then the load is lifted to 3 , the efficiency of pulley system will be- covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 25N force is required to raise 7.5 kg mass from a pulley.if rope is pulled 12 m, then the load is lifted to 3 , the efficiency of pulley system will be-.
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