The characteristic of a couple, is :

a couple can be never the balanced by a single force

algebraic sum of forces, constituting a couple is zero

algebraic sum of moments of forces, constituting a couple, about any poin, is same

All of the above

Correct Answer : All of the above

Explanation : * a couple can be never the balanced by a single force
* algebraic sum of forces, constituting a couple is zero
* algebraic sum of moments of forces, constituting a couple, about any poin, is same
* a couple can be balanced only by a couple but of opposite sense

Recently Updated in Applied Mechanics Questions

A geo-stationary satellite is one which orbits the earth with a velocity of rotation of____.

earth

sun

moon

None of the Above

Correct Answer : Option (A) : earth

If two equal forces of magnitude P act at an angle θ, their resultant, will be____.

P sin θ/2

P cos θ/2

2P sin θ/2

2P cos θ/2

Correct Answer : Option (D) : 2P cos θ/2

Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by___.

4.5 kg

5.5 kg

6.25 kg

8.75 kg

Correct Answer : Option (D) : 8.75 kg