If the force applied on an object is 4 N and the displacement is 5 m, then the work done is .

20 J

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30 J

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50 J

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40 J

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Solution

The correct option is A 20 J
Given, force applied $= 4 N$ , displacement $= 5 m$
We know, $w o r k d o n e = f o r c e \times d i s p l a c e m e n t$
$∴ W o r k d o n e = 4 \times 5 = 20 J$

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