Single Choice

A piece of wood is held underwater. The up thrust on it is:

Aequal to the weight of the wood
Bless than the weight of the wood
Cmore than the weight of the wood
Correct Answer
Dzero

Solution

The up thrust on the wood is in the upward direction.

It is the sum of the weight of wood and force applied to hold it underwater.

Thus, it is more than the weight of wood.


SIMILAR QUESTIONS

Fluid Mechanics

A balloon filled with hydrogen rises upwards because:

Fluid Mechanics

A body weighs $$500 \,g$$ in air and $$300 \,g$$ in water, it implies that upward thrust experienced in water is $$500 \,gm.$$

Fluid Mechanics

What is the scientific name of the 'upward force' acting on an object immersed in a liquid?

Fluid Mechanics

Name these forces: (a) the upward push of water on a submerged object (b) the force which wears away two surfaces as they move over one another (c) the force which pulled the apple off Issac Newton's tree. (d) the force which stops you falling through the floor.

Fluid Mechanics

A body dipped into a liquid experiences an upthrust. State two factors on which upthrust on the body depends.

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