an elevator weighting 3.5*10^6 is lifted 1000m height without friction what is workdone?
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Mass = m = 3.5 × 10⁶ kg
Height = h = 1000m
We know that,
Work Done = Force × Displacement
W = FS
In the given case,
Force = F = mg = 3.5 × 10⁶ × 10 = 3.5×10⁷ N
Displacement = S = h = 1000m
Hence,
W = FS = 3.5×10⁷×1000
W = 3.5×10¹⁰ J
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