Explore topic-wise MCQs in Engineering Mechanics.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the vertical reaction at the support R.

A. 790N
B. 80N
C. 200N
D. 100NView Answer
Answer» B. 80N
Discussion
2.

If all the reactive forces are intersecting at the common point or pass through a common axis when _____________

A. The body is in equilibrium
B. The body is said to be achieve stability but no equilibrium
C. The body is said to be improperly constrained
D. The body is in deformation
Answer» D. The body is in deformation
Discussion
3.

What is partially constrained?

A. There will be less equations available for equilibrium than the reactive forces
B. There will be more equations available for equilibrium than the reactive forces
C. There will be equal equations available for equilibrium as the reactive forces
D. The support reactions are opposite to each other
Answer» C. There will be equal equations available for equilibrium as the reactive forces
Discussion
4.

A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the vertical reaction at the support Q.

A. 707N
B. 80N
C. 200N
D. 100NView Answer
Answer» B. 80N
Discussion
5.

A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the sum of all the vertical forces at the supports.

A. 1280N
B. 80N
C. 200N
D. 100NView Answer
Answer» B. 80N
Discussion
6.

The improper constraining leading to instability occurs when ___________________

A. The reactive forces are parallel
B. The reactive forces are perpendicular
C. The reactive forces are equal
D. The reactive forces are rotational
Answer» B. The reactive forces are perpendicular
Discussion
7.

The generation of equal equations available for equilibrium as the unknown loadings always guarantees the stability of the body.

A. True
B. False
Answer» C.
Discussion
8.

A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the horizontal reaction at the support R.

A. 0N
B. 30N
C. 20N
D. 10NView Answer
Answer» B. 30N
Discussion
9.

Statically indeterminacy means?

A. There will be less equations available for equilibrium than the unknown loadings
B. There will be more equations available for equilibrium than the unknown loadings
C. There will be equal equations available for equilibrium as the unknown loadings
D. The support reactions are opposite to each other
Answer» B. There will be more equations available for equilibrium than the unknown loadings
Discussion
10.

A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the horizontal reaction at the support P.

A. 0N
B. 80N
C. 200N
D. 100NView Answer
Answer» B. 80N
Discussion
11.

A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the vertical reaction at the support P.

A. -217N
B. 80N
C. 700N
D. -250NView Answer
Answer» B. 80N
Discussion
12.

STATICALLY_INDETERMINACY_MEANS??$

A. There will be less equations available for equilibrium than the unknown loadings
B. There will be more equations available for equilibrium than the unknown loadings
C. There will be equal equations available for equilibrium as the unknown loadings
D. The support reactions are opposite to each other
Answer» B. There will be more equations available for equilibrium than the unknown loadings
Discussion
13.

In 3D the body will be improperly constrained if the axis is intersected by the reaction forces.

A. The statement is right
B. The statement is wrong
C. The statement is right if there is ‘2D’
D. The statement is right if there is ‘support reaction’
Answer» B. The statement is wrong
Discussion
14.

The additional equations invented in the statically indeterminacy condition is solved by __________

A. Deformation conditions at the point of supports
B. Rotational equations
C. Translation equations
D. Linear rotation equations
Answer» C. Translation equations
Discussion
15.

0N

A. 30N
B. 20N
C. 10N
Answer» B. 20N
Discussion
16.

0?

A. 80N
B. 200N
C. 100N
Answer» C. 100N
Discussion
17.

What is redundant support?

A. The supports consisting of hinge and a roller
B. The supports consisting of hinge only
C. The supports consisting of roller only
D. The supports more than necessary to hold the structure
Answer» B. The supports consisting of hinge only
Discussion
18.

-217N

A. 80N
B. 700N
C. -250N
Answer» B. 700N
Discussion
19.

To satisfy the conditions of the equilibrium, the must not only be having a net force zero, but also be properly held or constrained on its supports.

A. True
B. False
Answer» B. False
Discussion