Question

a particle of mass 0.5kg is displaced from position r1 (2,3,1) to r2 (4,3,2) by applying force of magnitude 30N which is acting along i^+j^+k^ work done is​

Answer 1

Explanation:

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DATA

r1= 2,3,1

r2= 4,3,2

F = 30N

W= ?

SOLUTION

r = r2 - r1

r = (2i + 3j +1k) - (4i + 3j + 2k)

r = - 2i + k