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प्रश्न
Power spent by a body depends on the time for which it does work.
पर्याय
True
False
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उत्तर
True.
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संबंधित प्रश्न
Write the expression for work done by a force.
Give reasons for the following A teacher moving around in the class is doing work but a child standing and reading a book is not doing any work.
Fill in the blank with suitable word :
1 joule is the work done when a force of 1 __________ moves an object through a distance of one __________ in the direction of __________.
Why does a spanner have a long handle?
A woman pulls a bucket of water of total mass 5 kg from a well which is 10 s. calculate the power used by her.
What is work?
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A wind-mill is lifting water from a well.
