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प्रश्न
Select the correct alternative.
Friction is increased if
विकल्प
an oil is sprayed
the surfaces are made wet
the surfaces are made dry
the surfaces are polished
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उत्तर
the surfaces are made dry
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संबंधित प्रश्न
Give two examples of situations in which you push to change the state of motion of objects.
To draw water from a well we have to ______ at the rope.
In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
A load suspended from a spring while its other end is on a hook fixed to a wall.
In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
An athlete making a high jump to clear the bar at a certain height.
Select the correct alternative.
A body falls downwards because of
Name the term used for the push or pull?
Explain the meaning of the term force.
Fill in the blank.
Magnetic force is a ................ force.
State if the following statement is true or false. Correct the statement if it is false.
It is possible that a force applied to an object may not bring any change in it.
Answer the following in detail.
Differentiate between contract and non-contract force. Support your answer with suitable examples.
