Two equal but unlike parallel forces different line of action producing rotation defines:
دو برابر لیکن متوازی قوتوں کے برعکس مختلف لائن آف عمل پیدا کرنے والی گردش کی وضاحت کرتی ہے
Answer: A couple
Explanation
A pair of two equal and unlike parallel forces (i.e. forces equal in magnitude, with lines of action parallel to each other and acting in opposite directions) is known as a couple.
As a matter of fact, a couple is unable to produce any translatory motion (i.e., motion in a straight line).
ND19-3-2023
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