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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?
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
Fill in the blank.
On squeezing a gum tube, its ............. changes.
State the effect produced by a force in the following case:
A player uses his stick to deflect the ball.
State the effect produced by a force in the following case:
A spring is compressed.
Tick the most appropriate answer.
Which of the following is not an effect of force?
State if the following statement is true or false. Correct the statement if it is false.
Force applied on an object can increase its mass.
Answer the following in a word or two or in a sentence.
What do you understand by magnetic force?
State if the following statement is true or false. Correct the statement if it is false.
Friction wears down the parts of machi
State if the following statement is true or false. Correct the statement if it is false.
Tires of vehicles are provided with grooved designs to decrease friction.
Give a reason for the following.
Vehicles skid on muddy and wet roads. Suggest what type of tires can prevent skidding of vehicles?
