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प्रश्न
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उत्तर
Equilibrium is a condition where the amount of a commodity buyers want to purchase is equal to the amount sellers are willing to supply.
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संबंधित प्रश्न
Work is said to be done by a forte only when ................
The S.I. unit of energy is .............
Write the expression for work done by a force.
Define the term energy.
When do we say that work is done? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it.
Why does a spanner have a long handle?
(i) A 200g ball is thrown vertically upward with an initial velocity of 30 ms-1. Draw a velocity-time graph for the motion of ball.
(ii) How long will the ball take to reach the highest point?
(iii) What will be the kinetic energy of ball, when it returns to the starting point, neglecting the air resistance?
(iv) What will be the potential energy of ball at highest point?
A man squatting on the ground gets straight up and stand. The force of reaction of ground on the man during the process is ______.
