Question

a force f = i + 5 j + 7k acts on a particle and displaces it through s = i + 6 j + 9 k calculate the work done if the force is in newton in metre​

Answer 1

Answer:

w = F. s = 1+30+63= 94J

................

Answer 2

Explanation:

work done= force×displaces

=(I+5j+7k)(I+6j+9k)

=(1+30+63)

=94

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