Q.

The value of 1 J is equal to


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a

1 newton second

b

1 newton metre square

c

1 newton metre

d

1 newton gram 

answer is C.

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Detailed Solution

The amount 1 J is equivalent to 1 newton metre.
It is known that joules is the unit of the work done and is defined as the dot product of the force exerted and distance covered by the body, the product turns out to be = F s cosθ where θ is the angle at which the force is acting on the body. Hence, the amount 1 J is equivalent to 1 Newton metre, where Newton and metre are the SI unit of force and distance respectively.
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