Physics, asked by khusbu53, 7 months ago

On applying a force F = (3i - 4j + 9k)N on object the body get displaced by
S =(3i + 4j + 8k )m. Calculate work done by the force.

Answers

Answered by vdeepikanarayani9647

3

W = F. S

= (3i-4j+9k) . (3i+4j+8k)

= (9-16+72)

= (-7+72)

= 65 J

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