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A force vecF = (5 hati + 4 hatj)N acts ...

A force `vecF = (5 hati + 4 hatj)N` acts on a body and produces a displacement `vecs = (6 hati - 5 hatj + 3 hatk)m`. The work done will be

A

`10J`

B

`20J`

C

`30J`

D

`40J`

Text Solution

Verified by Experts

`W = vecF . vecs = (5 hati + 4 hatj) . (6 hati - 5 hatj + 3 hatk)`
`= 30 - 20 = 10J`
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