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प्रश्न
What is the work done when no net force is applied on the body?
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उत्तर
When no net force is applied, the work done which is the dot product of force and displacement is zero.
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संबंधित प्रश्न
State Newton's first law of motion. Why is it called the law of inertia?
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Name of S.I. unit of momentum.
A wheel of diameter 2 m is shown in the figure with the axle at O. A force F = 2 N is applied at B in the direction shown in the figure. Calculate the moment of force about
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Define couple.
Define the moment of force.
A wheel of diameter 3 m is shown in fig. 2 with axle at 0. A force F = 8 N is applied at Q in the direction shown in figure. Calculate the moment of force about:
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(ii) Calculate difference in clockwise moment and anticlockwise moment.
(iii) Calculate the distance from O where a 100 N weight should be suspended to balance the meter scale.
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