When the force applied and the displacement of the body are perpendicular (inclined at $90^{\circ}$ ) with each other, then work done is:

infinite

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maximum

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zero

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unity

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Solution

The correct option is C zero
Angle between force and displacement vector $θ = 90^{\circ}$
As we know, Work done $W = \to F \cdot \to d x$
$W = | F | | d x | cos θ = | F | | d x | cos 90^{\circ} = 0$

Option C

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When the force applied and the displacement of the body are perpendicular (inclined at 90∘) with each other, then work done is:

The correct option is C zeroAngle between force and displacement vector θ=90∘As we know, Work done W=→F⋅→dx W=|F||dx|cosθ=|F||dx|cos90∘=0Option C

When the force applied and the displacement of the body are perpendicular (inclined at $90^{\circ}$ ) with each other, then work done is:

The correct option is C zero
Angle between force and displacement vector $θ = 90^{\circ}$
As we know, Work done $W = \to F \cdot \to d x$
$W = | F | | d x | cos θ = | F | | d x | cos 90^{\circ} = 0$

Option C