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प्रश्न
For the following scenario, state whether the work done by gravity is positive, negative, or zero.
A car in neutral gear is coming down the slope.
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उत्तर
Positive work is done.
Explanation:
When a car in neutral gear is coming down the slope, the direction of displacement covered by it is parallel to the direction of force of gravity (downwards), so the work done on the car by the force of gravity is positive.
संबंधित प्रश्न
When a body is placed on a table top, it exerts a force equal to its weight downwards on the table top but does not move or fall
1) Name the force exerted by the table top
2) What is the direction of the force?
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Who does more work against the force of gravity and why?
State and define the S.I. unit of work.
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What do you understand by the clockwise and anti clockwise moment of force?
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In the following case write yes, if the work is being done and no if no work is being done.
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State the condition when the work done by the force is positive
