A body when acted upon by a force of $10 k g f$ , gets displaced by $0.5 m$ . Calculate the work done by the force, when the displacement is in the direction of force.

5 J

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500 J

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0.5 J

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50 J

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Solution

The correct option is A $50 J$
Given - $F = 10 k g f$ and $s = 0.5 m$ in the direction of force.
$1 K g f = 10 N$
$⟹ F = 10 k g f = 10 \times 10 N = 100 N$

$W = F \times s$
$W = 100 \times 0.5$
$W = 50 J$

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A body when acted upon by a force of 10 kgf, gets displaced by 0.5 m. Calculate the work done by the force, when the displacement is in the direction of force.

The correct option is A 50JGiven - F=10 kgf and s=0.5 m in the direction of force.1Kgf=10N⟹F=10kgf=10×10N=100NW=F×sW=100×0.5W=50J

A body when acted upon by a force of $10 k g f$ , gets displaced by $0.5 m$ . Calculate the work done by the force, when the displacement is in the direction of force.

The correct option is A $50 J$
Given - $F = 10 k g f$ and $s = 0.5 m$ in the direction of force.
$1 K g f = 10 N$
$⟹ F = 10 k g f = 10 \times 10 N = 100 N$

$W = F \times s$
$W = 100 \times 0.5$
$W = 50 J$