Question
What is the work done by a centripetal force on an
object moving in a circular path at constant speed?Solution
The work done by a centripetal force is zero because the force acts perpendicular to the direction of motion, meaning there is no displacement in the direction of the force.
(A) The whole of Damian’s history, his forefathers’, all/ (B) the way to the beginning, when spirits milled /(C)without purpose before the original ...
Identify the segment that contains a grammatical error. If there is no error, select 'No error'.
Mohan's mother asked him that if he had watered ...
Identify the segment in the sentence, which contains the grammatical error
Rahul was ready for accept any job, even a part-time one.
- Parts of the following sentence have been given as options. Select the option that contains an error.
She bought a bunch of flower from the market.... They forces the forest department (A)/to chase away the elephants, (B)/most of who (C)/ are passing through , (D)/during its annual migration (E...
Read the sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The le...
Read the following sentence to find out whether there is any grammatical mistake/error or idiomatic error in it. The error, if any, will be in one part ...
After the World War II and the recognition of Poland’s government by Great Britain, the refugees is asked to return to Poland.
Rise in the water level in the village and adjoining areas has laid to waterlogging and destruction of standing crops in the village.
If we evince a little interest and involvement in our neighbourhood, we will discover a exciting world.
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