Question

The upward thrust is equivalent to ________________.
a) hg
b) mg
c) Ρg
d) hρ

TNSCERT Class 9 General Science Ch 7 Liquids

Answer 1

b) mg, where m is the mass and g is gravitational constant.

As stated by the Archimedes principle,

“When a body is immersed in a liquid, an upward thrust, equal to the weight of the liquid displaced, acts on it.”

 Thus, when a solid is placed in or mixed with a liquid, it loses weight.

This weight is equal to the weight of the liquid that is displaced by it.

Answer 2

Answer:

mg

Explanation:

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