A rectangular iron block is placed over a table in different ways such that different faces touch the table. In all these cases, which of the following can be concluded?

The block exerts the same thrust and same pressures

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The block exerts the same thrust and different pressure

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The block exerts different thrusts but the same pressures

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The block exerts different thrusts and different pressures

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Solution

The correct option is B The block exerts the same thrust and different pressure
Pressure can be defined as force/thrust per unit area. hence, when rectangular block is reoriented in various positions thrust remains same but pressure varies via change in area.

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Q. A block of iron of mass

7.5 k g

and of dimensions

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is kept on a table top on its base of side

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. Calculate
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b) Pressure exerted on the table top.
Take

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A rectangular wooden block has length, breadth and height of 50cm,25cm,and 10cm,respectively .This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground ?
(a) the maximum pressure is exerted when the length and greadth form the base
(b) the maximum pressure is exerted whwn length and height form the base
(c) the maximum pressure is exerted when breadth and height form the base
(d) the maximum pressure is exerted when length and height form the base

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A rectangular iron block is placed over a table in different ways such that different faces touch the table. In all these cases, which of the following can be concluded?

The correct option is B The block exerts the same thrust and different pressurePressure can be defined as force/thrust per unit area. hence, when rectangular block is reoriented in various positions thrust remains same but pressure varies via change in area.

The correct option is B The block exerts the same thrust and different pressure
Pressure can be defined as force/thrust per unit area. hence, when rectangular block is reoriented in various positions thrust remains same but pressure varies via change in area.