the mass of a brick is 2.5 kg and it’s dimensions are 20 cm x 10 cm x 5 cm. find the pressure exerted on the ground with different faces.
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the mass of a brick is 2.5 kg and it’s dimensions are 20 cm x 10 cm x 5 cm. find the pressure exerted on the ground with different faces.
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Answer:
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Answer:
Given:
Mass = 2.5kg
Dimensions = 20cm × 10cm × 5cm
Dimensions in metres = 0.2m × 0.1m × 0.05m
To find:
Pressure = ?
Pressure = Force/Area
Unknown values:
Force = ?
Area = ?
Pressure = ?
Firstly taking Force,
Force = mass × acceleration due to gravity
We know that, acceleration due to gravity is 9.8 exactly or 10 in approx.
Therefore, Force = 2.5 × 9.8 (or) 2.5 × 10 → 24.5N or 25N approx.
Area = l × b
Area = 0.2m × 0.1m
Area = 0.02m²
Therefore pressure = 24.5/0.02Nm-²
pressure = 0.49Nm-²
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Answer by
⊰⊹Amrutha Varshini⊰⊹ฺ