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संबंधित प्रश्न
It takes 20 s for a person A of mass 50 kg to climb up the stairs, while another person B does the same in 15 s. Compare the work done.
A box of weight 150 kgf has gravitational potential energy stored in it equal to 14700 J. Find the height of the box above the ground. (Take g = 9.8 N kg-1)
State the SI unit of work.
In which of the following case the work done by a force will be maximum : when the angle between the direction of force and direction of motion is 0° or 90°?
What is meant by a translational motion? Give one example.
Name the force acting away from the centre of circular path.
Complete the following sentences:
Kilowatt is the unit of ....... and kWh is the unit of
State the energy changes which take place when An electric bulb glows when it is connected to a source of electric current.
Name the material commonly used for the manufacturing of solar cells.
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?
