A brick of mass 2 kg having dimensions 40 cm x 12 cm x 6 cm is resting on a surface with its largest area in contact. Calculate the pressure due to the brick on the surface.[Take g= 10 m/s2]
Answers
A 2 kg brick of dimension 5 cm×2.5 cm×1.5 cm is lying on the largest base. It is now made to stand with length vertical, then the amount of work done is: (taken g=10 m/s
2
).
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A block of wood is kept on a tabletop. The mass of wooden block is 5 kg and its dimension are 40 cm x 20 cm x 10 cm. Find the pressure exerted by the wooden block on the table top if it is made to lie on the table top with its sides of dimensions
(a) 20 cm x 10 cm and (b) 40 cm x 10 cm
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A block of wood is floating on water with its dimensions 50cm×50cm×50cm inside water. The buoyant force acting on the block is X N. Find X. Take g=9.8 Nkg
−1
.
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A cuboid of dimensions (6 cm x 4 cm x 1 cm) is painted black on both the surfaces of dimensions (4 cm x 1 cm), green on the surfaces of dimensions (6 cm x 4 cm). and red on the surfaces of dimensions (6 cm x 1 cm). Now the block is divided into various smaller cubes of side 1 cm. each. The smaller cubes so obtained are separated.
How many cubes will be formed ?