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प्रश्न
Draw a neat labeled diagram to show the direction of two forces acting on a body to produce rotation in it. Also mark the point about which rotation takes place.
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उत्तर
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संबंधित प्रश्न
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 __________.
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 the relationship between Nm and dyne cm?
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.
How fast should a boy weighting 30 kg run so that his kinetic energy is 375 joule?
Fill in the boxe to show the corresponding energy transformation.
Give an example
Electrical energy changes of sound energy.
In the following case write yes, if the work is being done and no if no work is being done.
A coolie standing with a heavy load on his head
What do you understand by the term energy? Is energy a scalar or vector? How is the energy possessed by a body measured?
