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Is it true that the SI unit of work is $Joule (J)$ ?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
Work is said to be done when a force displaces a body upto some distance in the direction of force. Its unit is

N - m

also called

Joule (J)

. Mathematically,

work done = force (N) \times displacement (m)

Work done = F . s . cosθ

Where

F

is the force,

s

is the displacement of the body,

θ

is the angle between the direction of the force and the displacement of the body.

1 J

work is defined as the work done by a force of

1 N

in displacing a body through a distance of

1 meter

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