What is meant by the term buoyancy?

One Line Answer

All liquid exerts an upward force on the body placed in it. This Phenomenon is called buoyancy.

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Chapter 4: Fluids - Exercise 2 [Page 173]

Chapter 4 Fluids
Exercise 2 | Q 1 | Page 173

Draw a simple diagram of a hydraulic jack and explain its working.

Explain the working of a hydraulic brake with a simple labelled diagram.

Select the correct option.

One Pascal is equal to

Select the correct option.

Pressure applied in liquids is transmitted with undiminished force

Select the correct option.

Pressure at a point inside a liquid does not depend on

How does the liquid pressure on a diver change according to the following condition:

When the driver moves to the greater depth?

State two applications of Pascal's law.

State two uses of a hydraulic press.

Pascal’s law is used in

Assertion: Pascal’s law is the working principle of a hydraulic lift.

Reason: Pressure is thrust per unit area.