Questions
A brick of length L is placed on the horizontal floor. The bricks of same length and size are placed on this brick, one above the other by providing a margin of L/8 from the edge of the brick placed just below, in the same direction. Find the correct option.
detailed solution
Correct option is C
As shown in the diagram, fifth brick is in limiting equilibrium. So, when sixth brick is placed over the fifth brick, both will fall down as fifth brick is in limiting equilibriumTalk to our academic expert!
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A 198 cm tall girl lies on a light (massless) board which is supported by two scales one under the top of her head and one beneath the bottom of her feet (Figure). The two scales read respectively 36 and 30 kg. What distance is the centre of gravity of this girl from the bottom of her feet?
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