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A key is 5 cm long and turns a levers of the lock at the distance of 1 cm. If the lock is opened by an effort of 10 N, calculate the resistance offered by the levers of the lock.Answer with complete procedure. Quick!!!! |
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Answer» pplied by you = 10Nlength of key = 5cmso force arm for you = 5cmlet resistance offered by LEVERS of key = Fdistance of levers = 1cmso force arm for lever = 1cmBalancing the moments,10N × 5cm = F × 1cm⇒ F = 50NSo resistance offered by the levers of the LOCK is 50N. |
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