Krishang applies a force of 15 kgf using a spanner of 30 cm to unlock a nut. If Arjun wants to unlock the same nut with a force of only 5 kgf, what should be the length of Arjun's spanner? Take 1 kgf = 10 N for calculations
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Step-by-step explanation:
power of force =F×D =600nm
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