Which one of the following statements is not correct_________________?

Related Mcqs:

Forces are called coplanar when all of them acting on body lie in________________?

A. one point B. one plane C. different planes D. perpendicular planes E. different points...

When trying to turn a key into a lock, following is applied___________________?

A. coplanar force B. non-coplanar forces C. lever D. moment E. couple...

Coefficient of friction is the__________________?

A. angle between normal reaction and the resultant of normal reaction and the limiting friction B. ratio of limiting friction and normal reaction C. the friction force acting when the body is just about to move D. the friction force acting when the body is in motion E. tangent of angle of repose...

On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be__________________?

A. towards the wall at its upper end B. away from the wall at its upper end C. upwards at its upper end D. downwards at its upper end E. none of the above...

If a rigid body is in equilibrium under the action of three forces, then_______________?

A. these forces are equal B. the lines of action of these forces meet in a point C. the lines of action of these forces are parallel D. B. and C. above E. none of the above...