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प्रश्न
State larger units of power.
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उत्तर
The larger units of power are:
1 Kilowatt = 1000 watt 103 W
1 Megawatt = 1000,000 W = 106 W.
संबंधित प्रश्न
When is work said to be done by a force?
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.
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.
In case of negative work, the angle between the force and displacement is :
Name the force acting away from the centre of circular path.
Give an example
Light energy changes to electrical energy.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A green plant is carrying out photosynthesis.
