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A 2 kg mass lying on a table is displace...

A 2 kg mass lying on a table is displaced in the horizontal direction through 50 cm. The work done by the normal reaction will be:

A

10 J

B

0

C

100 erg

D

100 J

Text Solution

Verified by Experts

The correct Answer is:
b
Since normal reaction and displacement are mutually perpendicular to each other.
`:.` Work done is zero `because W=FS cos 90^(@)=0`
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Knowledge Check

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