中国大学MOOC: A uniform circular motion on xoy plane can be treated as the superposition of a simple harmonic motion in x direction and another simple harmonic motion in y direction.
举一反三
- Which of the following motions exhibit no impulse in a cam mechanism? A: Constant acceleration motion B: Harmonic motion C: Cycloidal motion D: 3-4-5 orders polynomial motion
- Which of the following motions will cause flexible impulse in a cam mechanism? A: Constant velocity motion B: Constant acceleration motion C: Harmonic motion D: Cycloidal motion
- The forms of fluid motion in impeller include A: Circular motion B: Relative motion C: Vertical motion D: Absolute motion
- Cutting edge inclination angle is the angle included between major cutting edge and________. A: cutting edge plane B: reference plane C: major motion direction D: feed direction
- A<br/>beam of electrons enters a magnetic field. Which of the following<br/>best describes their motion? A: They<br/>continue in a straight line. B: They<br/>are bent toward Magnetic North. C: They<br/>exhibit circular motion in the counterclockwise direction. D: They<br/>exhibit circular motion in the clockwise direction. E: Not<br/>enough information is given.