Question

Numerical problems
1. Which will evert more pressure, a 110 kg mass on 5 m' area or 50 kg mass on 4 mon area? Do calculations to find the answer
2 For the given block, which of its surface will cert minimum pressure? If its weight is 6 N, calculate the pressure in such a case,
3. The elephant weighs 20,000 N and stands on one foot of area 1000 cm'. How much pressure would it exert on the ground? ​

Answer 1

Pressure P=

A

F

(i) : P

1

=

10

150×10

=150 N/m

2

(ii) : P

2

=

10

50×10

=50 N/m

2

So, P

1

>P

2

150 kg will exert more pressure because it exerts more force.

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