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प्रश्न
Write true or false.
The unit of weight is kilogram
विकल्प
True
False
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उत्तर
False
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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.
Friction ....................... the motion.
Give one example of produces motion to indicate that the application of a force?
It is difficult to open an inkpot with greasy or oily hands. Explain.
It is difficult to walk on a wet road. Explain.
Answer the following in a word or two or in a sentence.
What do you understand by magnetic force?
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?
Give a reason for the following.
Vehicles skid on muddy and wet roads. Suggest what type of tires can prevent skidding of vehicles?
Application of force in an object results in motion from a state of ______.
What is momentum? Write its SI unit. Interpret force in terms of momentum. Represent the following graphically
(a) momentum versus velocity when mass is fixed.
(b) momentum versus mass when velocity is constant.
