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प्रश्न
Define Translational motion.
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उत्तर
When a force acts on a rigid body which is free to move, the body starts moving in a straight line in the direction of the force. This is called translational motion.
संबंधित प्रश्न
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A sailboat is moving due to wind energy.
Fill in the blank with suitable word :
The work done on a body moving in a circular path is __________
What are the quantities on which the amount of work done depends? How are they related to work?
What should be the angle between the direction of force and the direction of motion of a body so that the work done is zero?
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?
Explain the difference between a uniform linear motion and a uniform circular motion.
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.
Give an example
Chemical energy changes to electrical energy.
