Equation for unbalanced force due to reciprocating mass

Q.  The unbalanced force caused due to reciprocating mass is given by the equation
- Published on 10 Sep 15

a. mrω2 sin θ + mrω2 (sin 2θ/n)
b. mrω2 sin θ + mrω2 (cos 2θ/n)
c. mrω2 cos θ + mrω2 (cos 2θ/n)
d. mrω2 (sin θ + sin 2θ/n)

ANSWER: mrω2 cos θ + mrω2 (cos 2θ/n)

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