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प्रश्न
Answer the following in a word or two or in a sentence.
Which force is responsible for supporting the weight of a book placed on a table?
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उत्तर
Normal force (contact force)
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संबंधित प्रश्न
Write true or false.
The frictional force acts in the direction of motion of body
Write true or false.
A force increases the mass of the body when applied on it.
Fill in the blank.
Lubricants are used to ..................... friction.
Select the correct alternative.
A force to be expressed correctly requires
Give one example of produces motion to indicate that the application of a force?
Name the type of force which act in the following case:
A stone falls from a roof
Name the type of force which act in the following case:
A man rows a boat.
Answer the following in a word or two or in a sentence.
Give an example in which a force can change the direction of an object.
Identify the agent exerting the force, the object on which the force is acting and the effect of the force in the following situation
A child jumping to a height.
Solve the following numerical problem.
Two persons are pushing a car with a force of 30 N and 70 N in opposite directions. Calculate the resultant force and its direction.
