Question

water level in a well was 20m below ground level during rainy season rainwater collected in different water tanks was drained into the well and water level rises 5m above the previous level the wall of the well is 1m 20cm high and pulley is fixed at a height of 80cm. sham wants to draw water from the well find the minimum length of the rope he can use

Answer 1

Height above ground = 2 m

Water level = - 15 m

Difference = 2 - (-15) = 17 m

Hence minimum length of the rope is 17 m

Explanation: