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
A: Constant acceleration motion
B: Harmonic motion
C: Cycloidal motion
D: 3-4-5 orders polynomial motion
举一反三
- 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
- Which of the following is NOT an example of accelerated motion? A: Vertical component of projectile motion B: Circular motion at constant speed C: A swinging pendulum D: Earth’s motion about sun E: Horizontal component of projectile motion
- 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.
- Which of the following is not necessary for motion analysis? A: Justifying the feasibility of the plan. B: Defining key terms. C: Determining the motion type. D: Analyzing the context of the motion
- 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.