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प्रश्न
State the condition when the work done by the force is positive
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उत्तर
Work done by a force is positive when the displacement is in the direction of the force.
संबंधित प्रश्न
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A force of 1 kgf displaces a body by a distance of 10 cm
(i) in direction of force,
(ii) normal to the force
(iii) at an angle of 60° to the direction of the force.
Calculate the amount of work done in each case. (Take: g = 9.8 ms−2 )
