Engineering Mechanics MCQ Question with Answer

Engineering Mechanics MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 36
In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

Increase

Decrease

Remain the same

None of these

Question No : 37
Kinetic friction is the

Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction

Ratio of limiting friction and normal reaction

The friction force acting when the body is just about to move

The friction force acting when the body is in motion

Question No : 38
A number of forces acting at a point will be in equilibrium, if

All the forces are equally inclined

Sum of all the forces is zero

Sum of resolved parts in the vertical direction is zero (i.e. ΣV = 0)

None of these

Question No : 39
On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be

Towards the wall at its upper end

Away from the wall at its upper end

Upwards at its upper end

Downwards at its upper end

Question No : 40
When the spring of a watch is wound, it will possess

Strain energy

Kinetic energy

Heat energy

Electrical energy

Question No : 41
Tangent of angle of friction is equal to

Kinetic friction

Limiting friction

Angle of repose

Coefficient of friction

Question No : 42
A force acting on a body may

Change its motion

Balance the other forces acting on it

Retard its motion

All of the above