The resultant force of a couple is _____?

A. Infinity
B. Zero
C. One
D. Half

Correct Answer:

Option B – Zero

Explanation

Note: moment of a couple = force × length (fL)

The tangential force is actingin an opposite direction alongside its length

i.e f1L1 = f2L2

f2L2 − f1L1 = 0 (i.e Zero)