Physics, asked by reddykarthik7549, 6 months ago

When a force vector F=(1+2j+k) N acts on a body and produces a displacement of
=( 4i+j+7k)m, then the work done is
9J
2) 13J
3) 5J
4) 1J

Answers

Answered by hooda07

3

Answer is 2

Workdone = F.S

W = ( 1i+2j+k).(4i+j+7k)

W = 4+2+7

W = 13J

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