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Pressure

The foundatio...

Question

The foundations of high rise building are kept wide so that they exert less pressure on the ground and prevent the building from sinking into the ground.

A

True

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B

False

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C

Ambiguous

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D

Data insufficient

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Solution

The correct option is B True
Answer is A.

The same force acting on a smaller area exerts a larger pressure, and a smaller pressure on a larger area. This is the reason why a nail has a pointed tip, knives have sharp edges and buildings have wide foundations.
Hence, the statement is true.

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Similar questions

State whether the given statement is TRUE or FALSE.

The foundations of high-rise buildings are kept wide so that they may exert more pressure on the ground.

Q. Buildings have wide foundations so that they exert less force on the ground or Earth.

Q. Indicate whether the following are true or false. Rewrite the false statements correctly.
(a) If we apply the brakes to a moving car, it comes to rest. This shows that force can make a moving object go slower.
(b) When a force of 1 N acts on an area of 1 m² , the pressure exerted is equal to one Pascal.
(c) The foundations of high rise buildings are kept wide so that they exert less pressure on the ground and prevent the building from sinking into the ground.
(d) A boy throws a ball down from the second floor of a building. In this case, gravitational force is acting only on the ball.
(e) Friction helps us to walk more easily on a smooth, highly polished surface.
(f) An old truck tyre will cause more friction with the road than a new tyre.
(g) In the frozen northern regions of Canada, the Eskimos wear large snowshoes as that helps them to walk on freshly fallen snow.
(h) When a force acts on a large area, the pressure it exerts is more.
(i) Gravity and friction are both contact forces.

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Q. Wooden or concrete sleepers are kept below the railway line to increase the area of contact of the train. As a result, there is less pressure of the train on the ground preventing it from sinking. State whether true or false.

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