A body of mass 2 kg is moving in a vertical of radius 2 m. The work done when it moves from the lowest point to the highest point is-

80 J

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40 J

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20 J

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Solution

The correct option is A 80 J
$W = F . S$
$= m g \times n$
$2 \times 10 \times 4$
$= 80 J$
Here ,F = mg
S= h
S
Hence (A) is correct answer

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A body of mass 2 kg is moving in a vertical of radius 2 m. The work done when it moves from the lowest point to the highest point is-

The correct option is A 80 JW=F.S=mg×n2×10×4=80JHere ,F = mgS= hSHence (A) is correct answer

The correct option is A 80 J
$W = F . S$
$= m g \times n$
$2 \times 10 \times 4$
$= 80 J$
Here ,F = mg
S= h
S
Hence (A) is correct answer