brick of dimension 15cm multiply 10 cm multiply 5cm has mass 5 kg find maximum and minimum pressure exerted by bricks
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Answer:
Pressure is the force per unit area. So, P=F/A
Thus, minimum surface area (5cm×10cm) will give the maximum pressure and maximum area (20cm×10cm) will give the minimum pressure.
So, P
max
=
50×10
−4
2g
N/m
2
and P
min
=
200×10
−4
2g
N/m
2
Thus,
P
max
P
min
=50/200=1/4
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