A body- constrained to move in the y-direction is subjected to a force given by F - -2- 15 - 6 k- N- What is the work done by this force in moving the body a distance of 10 m along the y-axis-

F = ( 2î+ 15 ĵ+ 6 k̂) N d = 10 ĵ m W = F.d = 0+150+0 = 150 J ...

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Byju's Answer

Standard XI

Physics

Multiplication with Vectors

A body, const...

Question

A body, constrained to move in the y-direction is subjected to a force given by $\to F = (- 2^i + 15^j + 6^k)$ $N$ . What is the work done by this force in moving the body a distance of $10 m$ along the y-axis?

20 J

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150 J

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160 J

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190 J

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Solution

The correct option is B $150 J$
$\to F = (- 2^i + 15^j + 6^k) N \to d = 10^j m$
$W = \to F . \to d$
$= 0 + 150 + 0$
$= 150 J$

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A body, constrained to move in the y-direction is subjected to a force given by →F=(−2^i+15^j+6^k) N. What is the work done by this force in moving the body a distance of 10 m along the y-axis?

The correct option is B 150 J→F=(−2^i+15^j+6^k) N→d=10^j m W=→F.→d =0+150+0 =150 J

A body, constrained to move in the y-direction is subjected to a force given by $\to F = (- 2^i + 15^j + 6^k)$ $N$ . What is the work done by this force in moving the body a distance of $10 m$ along the y-axis?

The correct option is B $150 J$
$\to F = (- 2^i + 15^j + 6^k) N \to d = 10^j m$
$W = \to F . \to d$
$= 0 + 150 + 0$
$= 150 J$