# Engineering Mechanics

• ## A particle moves along a straight line such that distance (x) traversed in ‘t’ seconds is given by x = t² (t – 4), the acceleration of the particle will be given by the equation_____.

• A. 6t² – 8t
• B. 3t² + 2t
• C. 6f – 8
• D. 6f – 4
Explanation:

No answer description available for this question.

• ## The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by_____.

• A. 2P sinθ/2
• B. 2P cosθ/2
• C. 2P tanθ/2
• D. 2P cotθ/2
Explanation:

No answer description available for this question.

• ## The necessary condition for forces to be in equilibrium is that these should be_____.

• A. Coplanar
• B. Meet at one point
• C. Both (A) and (B) above
• D. All be equal
Explanation:

No answer description available for this question.

• ## Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is _____ than that passing through its C.G. and parallel to the base.

• A. Nine times
• B. Six times
• C. Four times
• D. Two times
Explanation:

No answer description available for this question.

• ## 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.

• A. Will
• B. Will not
• C. Either A or B
• D. None of these
Explanation:

No answer description available for this question.

• ## When two elastic bodies collide with each other,_____.

• A. The two bodies will momentarily come to rest after collision
• B. The two bodies tend to compress and deform at the surface of contact
• C. The two bodies begin to regain their original shape
• D. All of the above
Explanation:

No answer description available for this question.

• ## The acceleration of a particle moving with simple harmonic motion is _____ at the mean position.

• A. Zero
• B. Minimum
• C. Maximum
• D. None of these
Explanation:

No answer description available for this question.

• ## A framed structure is perfect, if the number of members are _____ (2j – 3), where j is the number of joints.

• A. Equal to
• B. Less than
• C. Greater than
• D. None of these
Explanation:

No answer description available for this question.

• ## The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.).

• A. ω/2π
• B. 2π/ω
• C. 2π × ω
• D. π/ω
Explanation:

No answer description available for this question.

• ## The term ‘Centroid’ is_____.

• A. The same as centre of gravity
• B. The point of suspension
• C. The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
• D. None of the above