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`        A brick is 50 cm long,40 cm wide and 10 cm thick.It weighs 24newton and is lying on the ground .find the pressure exerted`
2 years ago

```							Hello!By definition, a pressure is the force acting perpendicular to the surface divided by the area on which this force is distributed.In our case, the force is the weight of a brick and it is given (24 N). The area on which the weight is distributed is equal to the length (50 cm) multiplied by the width (40 cm), so it is equal to 2000 cm2. So the pressure is24/2000 = 0.012 (N/cm2)
```
2 years ago
```							Pressure=Force(N)/Area(m^2)So, Area=length*breadth (in meter)Therefore, Area=1/2*2/5=1/5Now ,using above formula, Pressure=24*1/5=4.8 Pascal....Answer
```
2 years ago
```							There was something wrong in last step, Actually this is correct method: Pressure=24/1/5=120 Pascal..Answer
```
2 years ago
```							Here in questionP=F/AreaF=24NAREA =T.S.A OF CUBOID=2 (L*B +B*H+H*L)=2 (50 *40 +40*10+50*10)=6800cm ^2We know 1cm^2=0.0001m^2Thus,6800cm ^2 = 0.68m^2P=F/AP=24/0.68P=35.29 PASCAL
```
2 years ago
```							We know that pressure = force/area  i.e perpendicular force/ area on which force acts.Since area is 50×40/10000 m2.And force given is 24N .So p=24×10000/2000=120 Pa
```
2 years ago
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