Physics class 10 chapter 10 comprehension questions, FBISE Federal Board National Book Foundation.
Question: What do you mean by oscillation? Define simple harmonic motion. What are conditions for a body to perform SHM? Give examples of bodies which perform SHM.
Questions Covered: simple harmonic motion definition, simple harmonic motion examples, conditions for simple harmonic motion, conditions needed for simple harmonic motion, conditions required for simple harmonic motion, conditions necessary for a body to execute simple harmonic motion, oscillation definition, oscillation and simple harmonic motion.
Answer:
Oscillation:
One complete round trip of an oscillating body, during which it passes through all the points of its motion is called oscillation or vibration or cycle.
Simple Harmonic Motion:
Simple Harmonic Motion is the type of vibratory motion in which acceleration is directly proportional to the displacement from mean position and is always directed towards the mean position.
a ∝ -x
Conditions for SHM:
i. The system have inertia.
ii. The body must have restoring force F -x
iii. The acceleration of the system should be directly proportional to the displacement from mean position and is always directed towards the mean position.
a ∝ -x
Examples of SHM:
i. Motion of mass attached to spring,
ii. Motion of simple pendulum,
iii. Ball and Bowl system.