With the help of a movable block, the load was lifted to a height of 1.5 m. How long was the free end of the rope pulled?
February 19, 2021 | education
| Given: h = l1 = 1.5 m; g = 10 N / kg Find: 12 -?
We know that the movable block gives a 2-fold gain in cm:
F = P / 2;
l1 / l2 = F / P; l2 = 2l1
l2 = 2 • 1.5 = 3 m Answer: 12 = 3 m
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