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प्रश्न
Answer the following in a word or two or in a sentence.
A child tries to slide a wooden block on the top of a table, but she is unable to get a smooth movement. What material do you suggest she should use in between the block and the table to get a smooth movement?
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उत्तर
Can use pencils as rollers under the wooden block.
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संबंधित प्रश्न
Write true or false.
A force can change the direction of motion of a moving body.
Select the correct alternative.
Friction
What effects can a force have on a moving body?
Give one example of changes the direction of motion to indicate that the application of a force?
Give one example of deforms a body to indicate that the application of a force?
Name the type of force which act in the following case:
A bicycle comes to rest slowly when the cyclist stops pedaling
Name the type of force which act in the following case:
A horse moves a cart
What do you understand by the term friction?
Answer the following in detail.
List all the forces acting on a boy sitting on a chair with the help of a suitable diagram.
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.
