Engineering Mechanics MCQ Questions & Answers | Mechanical Engineering

A. 1 + m

B. 1 - m

C. $$\frac{1}{{\text{m}}}$$

D. m

A. Three forces acting at a point will be in equilibrium

B. Three forces acting at a point can be represented by a triangle, each side being proportional to force

C. If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium

D. If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

A. Stable

B. Unstable

C. Neutral

D. None of these

A. The point of C.G.

B. The point of metacenter

C. The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

D. Point of suspension

A. $$\frac{\omega }{{\text{r}}}$$

B. $$\omega {\text{r}}$$

C. $$\frac{{{\omega ^2}}}{{\text{r}}}$$

D. $${\omega ^2}{\text{r}}$$

A. Equal to

B. Equal and opposite to

C. Less than

D. Greater than

A. Equal to 50%

B. Less than 50%

C. Greater than 50%

D. 100%

A. Area of contact only

B. Nature of surface only

C. Both (A) and (B)

D. None of these

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

A. The C.G. of a circle is at its centre

B. The C.G. of a triangle is at the intersection of its medians

C. The C.G. of a rectangle is at the intersection of its diagonals

D. The C.G. of a semicircle is at a distance of $$\frac{{\text{r}}}{2}$$ from the centre