A particle moves from a point r-1- - 3- - 2- -6k- to position r-2-14- - 13 - -9 k- under the action of a force F- - 4- - - -3k- newton- If the displacement between two points is in metres- calculate the work done-

The correct option is B 46 JWork done =F.r⃗ (observing conservator force) r⃗=r⃗ r⃗=4î+11ĵ 3k̂ F⃗.r⃗=44+11 9=46 J ...

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Work Done on & by the Object

A particle mo...

Question

A particle moves from a point $_{1} = 3^i + 2^j - 6^k$ to position $_{2} = 14^i + 13^j - 9^k$ under the action of a force $\to F = 4^i +^j + 3^k$ newton. If the displacement between two points is in metres, calculate the work done.

30 J

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46 J

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14 J

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23 J

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Solution

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Similar questions

_{1} = 3^i + 2^j - 6^k

_{2} = 14^i + 13^j + 9^k

\to F = 4^i +^j + 3^k

_{1} = 3^i + 2^j - 6^k

_{2} = 14^i + 13^j + 9^k

4^i +^j + 3^k

{\to r}_{1} = 3^i + 2^j - 6^k

{\to r}_{2} = 14^i + 13^j - 9^k

(4^i +^j + 3^k)

N

3^i + 2^j - 6^k

14^i + 13^j + 9^k

(4^i +^j + 3^k)

_{1} = (3^i + 2^j - 6^k) m

_{2} = (14^i + 13^j + 9^k) m

(4^i +^j + 3^k) N

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