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A force of (3 hati + 4 hatj) Newton acts...

A force of `(3 hati + 4 hatj)` Newton acts on a body and it by `(3 hati + 4 hatj)m`. The work done by the force is

A

`10 J`

B

`12 J`

C

`16 J`

D

`25 J`

Text Solution

Verified by Experts

Work done by the force is
`W = vecF. Vecd`
`= (3 hati + 4 hatj). (3 hati + 4 hatj) = 9 + 16 = 25 J`
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