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प्रश्न
Explain the following statement:
It is easier to cut with a sharp knife than with a blunt one.
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उत्तर
It is easier to cut with a sharp knife because even a small thrust causes great pressure at the edges and cutting can be done with less effort.
संबंधित प्रश्न
What is the law of floatation?
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
Write an expression for the pressure at a point inside a liquid. Explain the meaning of the symbols used.
What is meant by the term buoyancy?
A body will experience minimum upthrust when it is completely immersed in :
What is meant by up thrust?
Consider the statement given below and choose the correct option.
Assertion: Water strider slides easily on the surface of the water.
Reason: Water strider experiences less buoyant force.
The magnitude of buoyant force acting on an object immersed in a liquid depends on ______ of the liquid.
Most buoyant objects are those with relatively ______.
- high volume
- higher mass
- low density
- less viscosity
If the buoyant force is less, the object will float.
