A metal cuboid of mass M kg rests on a table surface area of 40_sq. in contact with the table. The pressure exerted by the cuboid on the table surface is 10000 Pa. Value of M is (given that g=10_-sq.)
(a) 20 kg
(b) 5 kg
(c) 4 kg
(d) 2.5 kg
In this que also, the unit of area is not give......that's why I'm confused.....plzzzz.....ans this
Answers
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5
Answer:
Explanation:
Area ⇒40 cm²
⇒40×10−²² m² ∵(²²=4)
Pressure ⇒10000 pa
Force⇒weight⇒mg
Force⇒Pressure×Area
mg=10000×40×10−²² m²
m⇒40/10
m⇒4kg
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