The below figure shows the three coplanar forces P, Q and R acting at a point O. If these forces are in equilibrium, then<br><img src="/images/question-image/mechanical-engineering/engineering-mechanics/1528353615-1.jpg" title="Engineering Mechanics mcq question image" alt="Engineering Mechanics mcq question image">

The below figure shows the two equal forces at right angles acting at a point. The value of force ‘R’ acting along their bisector and in opposite direction is
Engineering Mechanics mcq question image

Engineering Mechanics mcq question image

A

$$\frac{{\text{P}}}{2}$$

B

2P

C

$$\sqrt 2 \,{\text{P}}$$

D

$$\frac{{\text{P}}}{{\sqrt 2 }}$$

How far is point 'R' from Point 'T'? Statement (I): Point 'R' is 5 metres to the north of point 'M'. Point 'U' is 4 metres to the east of point 'R'. Point 'T' is to the west of point 'R' such that points 'U' 'R' and 'T' form a straight line of metres. Statement (II): Point 'Z' is metres to the south of point 'T'. Point 'U' is metres to the east of point 'T'. Point 'M' is metres to the east of point 'Z'. Point 'R' is metres to the north of point 'M'. Point 'R' lies on the line formed by joining points 'T' and 'U'.

A

Statement (I) and (III) are independently sufficient to answer the question.

B

Statement (I) and (II) are together required to answer the question.

C

Statement (I) alone is sufficient to answer the question while statement (II) is not sufficient to answer the question.

D

Statement (II) alone is sufficient to answer (I) is not sufficient to answer the question.

The below figure shows the three coplanar forces P, Q and R acting at a point O. If these forces are in equilibrium, then

A

$$\frac{{\text{P}}}{{\sin \beta }} = \frac{{\text{Q}}}{{\sin \alpha }} = \frac{{\text{R}}}{{\sin \gamma }}$$

B

$$\frac{{\text{P}}}{{\sin \alpha }} = \frac{{\text{Q}}}{{\sin \beta }} = \frac{{\text{R}}}{{\sin \gamma }}$$

C

$$\frac{{\text{P}}}{{\sin \gamma }} = \frac{{\text{Q}}}{{\sin \alpha }} = \frac{{\text{R}}}{{\sin \beta }}$$

D

$$\frac{{\text{P}}}{{\sin \alpha }} = \frac{{\text{Q}}}{{\sin \gamma }} = \frac{{\text{R}}}{{\sin \beta }}$$

In a framed structure, as shown in the below figure, the forces in the members AB and BC are respectively
Engineering Mechanics mcq question image

A

$$\sqrt 3 \,\,$$W (tensile) and 2W (compressive)

B

2W (tensile) and $$\sqrt 3 \,\,$$W (compressive)

C

$$2\sqrt 3 \,\,$$W (tensile) and $$2\sqrt 3 \,\,$$W (compressive)

D

None of the above

Two blocks ‘A’ and ‘B’ of masses 150 kg and 50 kg respectively are connected by means of a string as shown in the below figure. The tension in all the three strings __________ be same.
Engineering Mechanics mcq question image

A

Will

B

Will not

C

Either A or B

D

None of these

There are only three bound states for a particle of mass m in a one-dimensional potential well of the form shown in the figure. The depth V₀ of the potential satisfies
Quantum Mechanics mcq question image

A

[

A. $$\frac{{2{\pi ^2}{\hbar ^2}}}{{m{a^2}}}

B. $$\frac{{{\pi ^2}{\hbar ^2}}}{{m{a^2}}}

B

$$\frac{{2{\pi ^2}{\hbar ^2}}}{{m{a^2}}}

C

$$\frac{{2{\pi ^2}{\hbar ^2}}}{{m{a^2}}}

Point A is 3m in the north of point B. Point D is 2m in the east of point E. Point F is 9m in the west of point G. Point C is 4m in the west of point B. Point C is 3m in the south of point D. Point F is 5m in the south of point E. Point H is 5m in the north of point G. What is the shortest distance between point H and point A?

A

5m

B

4m

C

3m

D

6m

A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is
Applied Mechanics and Graphic Statics mcq question image

Applied Mechanics and Graphic Statics mcq question image

A

50 kg

B

750 kg

C

100 kg

D

120 kg

The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is
Applied Mechanics and Graphic Statics mcq question image

A

10.8 t

B

10.6 t

C

10.4 t

D

10.2 t

A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is $$\frac{1}{3}$$, the acceleration is
Applied Mechanics and Graphic Statics mcq question image

A

0.5 m/sec²

B

0.75 m/sec²

C

1.00 m/sec²

D

1.25 m/sec²

The below figure shows the three coplanar forces P, Q and R acting at a point O. If these forces are in equilibrium, then

Related Questions