A girl stands on a box of $60 cm$ length, $40 cm$ breadth and $20 cm$ thickness, in three different ways. In which of the following cases, the pressure exerted by the box will be maximum?

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

Maximum when length and breadth form the base

Maximum, when breadth and thickness form the base

Maximum, when thickness and length form the base

The same in all the above three cases.

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

The pressure exerted by the brick will be maximum when breadth and thickness form the base.
We know that pressure equals the force applied on a unit area. Mathematically,

Pressure = \frac{Force}{Area}

We can say that minimum is the area for the same force, and maximum will be the pressure. From the given dimensions of the box, only the thickness and the breadth form the base of the minimum area. Hence box will exert maximum pressure in this way.

Watch 3-min video & get full concept clarity