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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
Why is a jack screw provided with a long arm?
A force of 30 N acts on a body and moves it through a distance of 5 m in the direction of force. Calculate the work done by the force.
Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.
The velocity of a car increases from 54 km/hr to 72 km/hr. How much is the work done if the mass of the car is 1500 kg?
A man lifts a mass of 10 kg from the floor to a shelf 4 meter high. If g = 10 ms-2, what is the work done?
What is the ratio of SI units to CGS units of 'work'?
A block of mass 20 kg is pulled up a slope (fig.12) with a constant speed by applying a force of 500 N parallel to the slope. A and B are initial and final positions of the block.
(a) Calculate the work done by the force in moving the block from A and B.
(b) Calculate the potential energy gained by the block.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
Suma is swimming in a pond.
A uniform chain of length 2 m is kept on a table such that a length of 60 cm hangs freely from the edge of the table. The total mass of the chain is 4 kg. What is the work done in pulling the entire chain on the table?
State whether work is done or not, by writing yes or no, in the following case:
A man pushes a wall.
