Question

A force of 10 N-acting on a body at an angle of 30° with the horizontal direction displaces it horizontally through a distance of 6 m. Calculate the work done

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Answer

Question

A force of 10 N-acting on a body at an angle of 30° with the horizontal direction displaces it horizontally through a distance of 6 m. Calculate the work done. [Ans. 30 √3 J]

Answer

Force (F) = 10 N

Displacement (s) = 6 m

Angle (θ) = 30°

Work (W) = Force (F) × Displacement (s) cos θ

= 10 × 6 × cos 30°

= 60 × √3 \over 2

= 30 √3 J

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