what will be the difference in volume of a rectangular block if it s length, breadth, and height are reduced to half?
Answers
Step-by-step explanation:
volume of rectangular block = length × breadth × height = 1m³
volume of rectangular block if its sides are reduced to half = 1/2length × 1/2breadth × 1/2height = 1/8m³
reduced by 8 times
difference = 1m³ - 1/8m³
=7/8 m³
Answer:
Correct option is
B
The maximum pressure is exerted when breadth and height form the base.
Answer is B.
Pressure is caused by a force that pushes against an object.
The pressure increases when the force increases or when the area (that the force is acting on) decreases.
Therefore, in this case, the breadth 20 cm and height 10 cm of the block is lesser than the length. A product (area) of these two dimensions are lesser when compared to the product (area) with the length dimension.
Hence, pressure exerted by the rectangular block will be maximum when breadth and height form the base.