a load of 1000 n is lifted with the help of first lever and the effort applied to do the work is as mentioned if p is 20 cm ed is e 10 cm is 800 n is 30 r is 600 n s is 50 find the value of p q r and s
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The “Indian Railways Permanent Way Manual (IRPWM)” was first published in the year 1986 and reprinted later in the years 1999 and 2004 to
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