find the upward force in Newton when each of these is under water(density of 1g/cm3) a lump of iron of volume 2000cm3
1 answer:
Answer:
Upthrust = 19.6 N
Explanation:
When an object is immersed under water, the upward force it experience is called an upthrust. An upthrust is a force which is applied on any object in a fluid which acts in an opposite direction to the direction of the weight of the object.
Upthrust = density of liquid x gravitational force x volume of object
i.e U = ρ x g x vol
Given: ρ = 1g/ (1000 kg/
), volume = 2000 c
(0.002
) and g = 9.8 m/
So that;
U = 1000 x 9.8 x 0.002 (kg/ x
x m/
)
= 19.6 Kg m/
U = 19.6 Newtons
The upthrust on the iron is 19.6 N.
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