Physics
A couple is formed when …………… are not acting along the same line
- two unequal and parallel forces
- two equal and parallel forces
- two equal and opposite parallel forces
- two unequal and opposite parallel forces
Force
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Answer
two equal and opposite parallel forces
Reason — Two equal and opposite parallel forces, not acting along the same line form a couple.
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Related Questions
The moment of force for anticlockwise moment is taken as …………… and for clockwise moment is taken as ……………
- positive, negative
- negative, positive
- positive, positive
- negative, negative
The direction of rotation of a pivoted body can be changed by changing:
- the direction of force
- the point of application of force
- both the direction of force and the point of application of force
- the magnitude of force
As per the principle of moments in equilibrium :
- Sum of anticlockwise moments is greater than sum of clockwise moments
- Sum of anticlockwise moments is equal to sum of clockwise moments
- Sum of anticlockwise moments is less than sum of clockwise moments
- none of the above
A body is acted upon by two unequal forces in opposite directions, but not in the same line. The effect is that:
- the body will only have rotational motion
- the body will only have translational motion
- the body will have neither rotational motion nor translational motion
- the body will have rotational as well as translational motion.