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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
Define 1 J of work.
A coolie does no work against the force of gravity while carrying a luggage on a road.
Define the term energy.
In which of the following cases, is work being done?
(i) A man pushing a wall.
(ii) a coolie standing with a load of 12 kgf on his head.
(iii) A boy climbing up a staircase.
Name the physical quantity whose SI unit is Nm.
A coolie, with a load of 30 kg on his head, walks on the platform. If he walks a distance of 60 m, what is the work done by him?
Define Translational motion.
A man climbs a slope and another walks same distance on level road. Which of the two expends more energy and why?
A block of mass 30 kg is pulled up a slope, as shown in diagram with a constant speed, by applying a force of 200 N parallel to slope.
A and B are initial and final positions of block.
(i) Calculate the work done by force in moving the block from A to B.
(ii) Calculate P.E. gained by block. [g=10ms-2]
________ is said to be done when a force is acting on it.
