Explore topic-wise MCQs in Engineering Mechanics.

This section includes 5 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.

If F = F1+F2, then the moment of this force F about a point at a distance r is M=rxF1 + rxF2.

A. True
B. False
Answer» B. False
Discussion
2.

If a 12m high tree is being pulled by the tractor, by a rope tied over the top. With the tractor at a linear distance of 12m and 4m away perpendicularly from the tree. If the force applied by the tractor is 2KN then what is the moment caused by the roots of the tree?

A. -16.5i+7.51j KNm
B. -16.5i+5.51j KNm
C. -16.5i+5.51j KNmm
D. -16.5i+7.51j KNm
Answer» C. -16.5i+5.51j KNmm
Discussion
3.

M = (rxF) represents what?

A. The total distance of the point of contact of the and the axis of rotation
B. The total moment of the forces
C. The total force acting on the body
D. The equation is wrong, it must be Fxr
Answer» C. The total force acting on the body
Discussion
4.

We can express the force in the Cartesian form.

A. True
B. False
Answer» B. False
Discussion
5.

What does FLsin means/ represent for the moment (M) of the force (F) acting on the body at a distance L from the axis of the rotation?

A. The direction vector of the moment
B. Unit vector of the moment vector
C. The magnitude of the moment caused by the force on the body
D. The perpendicular distance of the force from the axis of rotation
Answer» D. The perpendicular distance of the force from the axis of rotation
Discussion