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The work done by a force vec F = 3 hat i...

The work done by a force `vec F = 3 hat i -4hat j +5hat k` displaces the body from a point `(3,4,6)` to a point `(7,2,5)` is

A

15 units

B

25 units

C

20 units

D

10 units

Text Solution

Verified by Experts

The correct Answer is:
`(1)`
`W = vec F.vec S vec F.(vec r_(2) - vec r_(1))`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -1 (H.W)
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