. A brick having weight 30 N is 21cm long, 10cm wide and 6cm high. The face of the brick on the ground having dimensions 21cm and 6 cm is in contact with ground. Find the pressure exerted on the ground by the face of brick. plz tell briefly
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Answer:
100000/42 Pa
Explanation:
Area of the brick having contact with th ground =
21 cm × 6 cm = 126 cm² =126/10000 m²
Pressure = Force / Area = 30/(126/10000)
= (30 × 10000)/126 = 3 ×100000/126
= 100000/42 Pa
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