Advertisements
Advertisements
प्रश्न
Explain the following statement:
It is easier to cut with a sharp knife than with a blunt one.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
What is meant by the term ‘buoyancy’ ?
When does an object float or sink when placed on the surface of a liquid ?
Which of the following will sink or float on water? (Density of water = 1 g Cm-3) body B having density 2520 kg m-3
For a given object, the buoyant force in liquids of different ______ is ______.
A plastic cube is released into the water. Will it sink or come to the surface of the water?
A tall vertical cylinder filled with water is kept on a horizontal table top. Two small holes A and B are made on the wall of the cylinder, A near the middle and B just Below the free surface of water. State and explain your observation.
In what direction and at what point does the buoyant force on a body due to a liquid act?
Is thrust a scalar or vector quantity?
The point at which the force of buoyancy is supposed to act is known as ______.
