When no work is done in physics 10 examples
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Explanation:
- Sitting on a chair for hours
- Sliding a box on a smooth floor
- Lifting a book
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Answer:
- Examples
- you sit on a chair for hours .No work is done as there is no involvement of motion.
- if a block is moving on a smooth horizontal surface no work is done.
- if you push a wall but it doesnt move then no work is done.
- sleeping for many hours is also an example of no work done.
- you are carrying two bags in your hands and you are not moving ,then no work done.
- When we carry a luggage and move ,then no work is done.
- applying a force to roll a ball of some distance and then applying same force over same distance in opposite direction returning the ball to its original starting point,then no work is done.
- I throw a ball up with a velocity ,it goes up and cones down to the same location , then no work is done.
- If i hold a book for sometime, then no work is done.
- If pendulum of the clock is oscillating already by itself there is no net work done on it by the gravity in oscillations,then no work is done.
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