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A body, constrained to move in the Y-dir...

A body, constrained to move in the Y-direction is subjected to a force given by `vecF=(-2hati+15hatj+6hatk)N`. What is the work done by this force in moving the body a distance 10 m along the Y-axis

A

`20J`

B

`150J`

C

`160J`

D

`190J`

Text Solution

Verified by Experts

The correct Answer is:
B
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ERRORLESS -VECTORS-Exercise
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  8. The angle between (vecAxxvecB) and (vecBxxvecA) is (in radian)

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  14. the angle between the vectors (hati+hatj) and (hatj+hatk) is

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  15. The position vectors of points A,B,C and D are A=3hati+4hatj+5hatk,B=4...

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  16. If force (vecF)=4hati+4hatj and displacement (vecs)=3hati+6hatk then t...

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  18. In a clockwise system:

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