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संबंधित प्रश्न
Why is a jack screw provided with a long arm?
A coolie is moving on a road with a luggage on his head. Does he perform work against the force of gravity? Give reason for your answer.
State the S.I. unit of energy.
How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?
A girl weighing 400 N climbs a vertical ladder. If the value of g be 10 m s−2, the work by her after climbing 2 m will be :
Give two examples of couple action in our daily life.
Explain the difference between a uniform linear motion and a uniform circular motion.
Fill in the boxe to show the corresponding energy transformation.
A proton is kept at rest. A positively charged particle is released from rest at a distance d in its field. Consider two experiments; one in which the charged particle is also a proton and in another, a positron. In the same time t, the work done on the two moving charged particles is ______.
