Advertisements
Advertisements
प्रश्न
Fill in the blank with suitable word :
The work done on a body moving in a circular path is __________
Advertisements
उत्तर
The work done on a body moving in a circular path is zero.
APPEARS IN
संबंधित प्रश्न
A coolie does no work against the force of gravity while carrying a luggage on a road.
When does a force perform work?
The power of a motor is 40 kW. At what speed can the motor raise a load of 20,000 N?
State two disadvantages of producing hydroelectricity.
Ravi applied a force of 10 N and moved a book 30 cm in the direction of the force. How much was the work done by Ravi?
An electric motor drives a machine which lifts a mass of 4 kg through a height of 10 m in 5 s at a constant speed. Assuming g = 10 ms-2, calculate
(i) the amount of work done, (ii) the power of the machine.
A coolie, with a load of 30 kg on his head, walks on the platform. If he walks a distance of 60 m, what is the work done by him?
The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?
One labourer carried four pans of road metal through a distance of 100 metres. If he carries two pans of road metal through a 200 metre distance ______ work will be done.
