MCQOPTIONS
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MCQOPTIONS
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. |
Rotation is termed as rolling when _______ |
| A. | Constant velocity of rolling |
| B. | Variable velocity of rolling |
| C. | Constant speed of rolling |
| D. | Variable speed of rolling |
| Answer» B. Variable velocity of rolling | |
| 2. |
In the equation A.(rxF) the r is heading from ______________ and ending at _____________ |
| A. | Axis of rolling, Force vector |
| B. | Axis of rolling, Force vector s point of action on the body |
| C. | Force vector, Axis of rolling |
| D. | Force vector s point of action on the body, Axis of rolling |
| Answer» C. Force vector, Axis of rolling | |
| 3. |
What if the moment of the force calculated about the axis of rolling is negative? |
| A. | It means that the force is applied in the opposite direction as imagined |
| B. | It means that the direction of the motion is in the opposite sense as imagined |
| C. | It means that the radius vector is in the opposite sense as imagined |
| D. | Such calculation means that the calculations are wrongly done |
| Answer» C. It means that the radius vector is in the opposite sense as imagined | |
| 4. |
Which statement is correct about the vector F acting parallel to the direction of the motion of the rolling body? |
| A. | F= Fcos + Fcos + Fcos |
| B. | F= Fsin + Fcos + Fcos |
| C. | F= Fcos + Fsin + Fcos |
| D. | F= Fcos + Fcos + Fsin |
| Answer» B. F= Fsin + Fcos + Fcos | |
| 5. |
In rolling, there is the involvement of the vector math. So for rolling which of the following is correct? (For A representing the vector representation of the axis of rotation, r the radius vector and F the force vector) |
| A. | A.(rxF) |
| B. | Ax(rxF) |
| C. | A.(r.F) |
| D. | Fx(r.F) |
| Answer» B. Ax(rxF) | |